physics Flashcards
1
Q
In physics what type of stress exist when the direction of the deforming force is perpendicular to the cross-sectional area of the body?
A
Normal or longitudinal stress
2
Q
In which country was the physicist Earnest Rutherford born?
A
New Zealand
3
Q
Name two of the properties of a magnet?
A
Attractive, repulsive or directive
4
Q
Name two of the three elements on the periodic table that have been found to be ferro magnetic at room temperature?
A
Iron, Cobalt or Nickel
5
Q
Skiing against the snow is an example of what type of friction?
A
Kinetic or dynamic
6
Q
State in words newtons second law of rotational motion?
A
Torque equals moment of inertia times angular acceleration
7
Q
State using conventional symbols the formula which relates the speed of light in a medium of refractive index n to it’s speed in a vacuum?
A
V=c/n
8
Q
The flow of water in a pipe involves two types of friction one of which is between the liquid and the walls of the pipe, what is the other?
A
Fluid friction
9
Q
The horizontal range of a projectile near the earth’s surface is dependent on the local acceleration due to gravity and what other quantity?
A
Initial velocity
10
Q
The string of an archers bow that is pulled back is specifically an example of what type of energy?
A
Elastic potential energy
11
Q
Three physicists were awarded the Nobel prize in physics in 2023 for experimental methods that generate attosecond pulses name one?
A
Pierre Agostini, Ferenc Krausz and Anne L’Huillier
12
Q
What are the three most common temperature scales?
A
Celsius, Kelvin and Fahrenheit
13
Q
What do you call the study of how objects move when forces act on them?
A
Dynamics
14
Q
What does a vector quantity have that a scalar quantity lacks?
A
Direction
15
Q
What does h represent in the formula for potential energy?
A
Height
16
Q
What does m represent in the formula for friction?
A
Mass
17
Q
What does the Spanish verb “acentuar” Means?
A
To accentuate
18
Q
What electronic instrument is used to detect and count nuclear particles and radiation?
A
Giger Counter
19
Q
What energy conversions take place when you rub both hands together for warmth?
A
Kinetic energy to thermal / heat energy or mechanical to heat energy
20
Q
What energy conversions take place when you speak into a microphone?
A
Sound energy to electrical energy
21
Q
What freezes faster hot or cold water or neither?
A
Hot water
22
Q
What instrument is used to harness the principle of conservation of angular momentum?
A
Gyroscope
23
Q
What is considered the most elastic material?
A
Steel
24
Q
What is defined as the force applied perpendicular to the surface of an object per unit area over which that force is distributed?
A
Pressure
25
What is defined as the rate of change of a moving object?
Acceleration
26
What is the bending of a wave when it passes from one medium to another called?
Refraction
27
What is the central portion of a magnet called?
Magnetic Core
28
What is the most common unit for measuring pressure?
Pascal
29
What is the name for a measure of the force that can cause an object to rotate about an axis?
Torque
30
What is the name for the internal resistance of a fluid to changes in motion?
Viscosity
31
What is the name for the measure of an object’s tendency to align with a magnetic field?
Magnetic Moment
32
What is the name for the name for the energy released when two oppositely charged gaseous ions attract each other and form an ionic solid?
Lattice energy
33
What is the name for the type of reaction in which the nucleus of an atom splits into two or more smaller nuclei?
Nuclear fission
34
What is the name for the vector difference between the ending and starting positions of a object?
Displacement
35
What is the name in which solids directly change to gas?
Sublimation
36
What is the name of the angle of incidence Where the angle of refraction is 90 degrees?
Critical angle
37
What is the name of the device used for measuring or maintaining orientation and angular velocity?
Gyroscope
38
What is the name of the imaginary line about which a planet or object rotates?
Axis
39
What is the name of the process of the conversion of a liquid to gas at all temperatures?
Evaporation
40
What is the other name for the pivot point of the simple machine a lever?
The fulcrum
41
What is the output of a capacitor connected to displacement current?
0
42
What is the point of maximum positive displacement on a transverse wave called?
Crest
43
What is the rate of change of angular displacement called?
Angular velocity
44
What is the SI base unit of luminous intensity?
Candela
45
What is the SI derived of impedance?
Ohm
46
What is the SI Derived unit of plane angle?
Radian
47
What is the SI of Young’s modulus?
Pascal Or Newton per metre square
48
What is the SI Unit for electric conductance?
Siemens
49
What is the SI unit for electric potential?
Volts
50
What is the SI unit of absorbed radiation dose?
Gray
51
What is the SI unit of concentration of amount of substance?
Mole per cubic meter (Molm-3)
52
What is the SI Unit of impulse?
Newton second
53
What is the SI unit of magnetic field strength denoted by H?
ampere per meter (A/m)
54
What is the SI unit of the Boltzmann constant?
Joule per kelvin (JK-1)
55
What is the specific name for the rate of change of Tangential velocity of a particle in a circular orbit?
Tangential acceleration
56
What is the speed of light in water with refractive index 1.33?
2.25 *108 ms-1
57
What is the strongest fundamental force in the universe?
strong nuclear force
58
What is the symbol including the case for the SI unit of Luminous intensity?
Common, cd
59
What is the symbol including the case for the Si Unit of thermodynamic temperature?
Capital K
60
What is the term for a measure of a system’s thermal energy per unit temperature that is unavailable for doing useful work?
Entropy
61
What is the term for the energy of an object due to its motion?
Kinetic energy
62
What is the term that describes how fast light travels through a material?
Refractive index
63
What is the term used to describe the type of frictional force generated when two surfaces in contact moves with respect to each other?
Sliding friction
64
What is the weakest force in nature?
Gravity
65
What is typically considered the least elastic material?
Rubber
66
What kind of thermometer is used to determine boiling point or depression in the freezing point?
Beckmann’s thermometer
67
What nationality was the physicist James Watson?
American
68
What nationality was the physicist Richard Feynman?
American
69
What nationality was the physicist, Stephen Hawking?
British
70
What process describes particles colliding with each other and then bouncing off spreading in different directions over time?
Diffusion
71
What SI unit is used to measure the volume flow rate of a gas?
Metres cubed per second (M3S-1)
72
What specific law states that whenever a conductor is placed in a varying magnetic field an electromotive force is induced?
Faraday’s first law of electromagnetic induction
73
What term describes the scattering of a high frequency photon after interacting with a charged particle?
Compton scattering
74
What term is used to define the sum of the potential energy of the system and the system’s kinetic energy?
Internal energy
75
What term is used to refer to the heat absorbed or released during chemical reactions in a system?
Enthalpy
76
What theory states that all matter is made up of tiny atoms or molecules that are in constant motion?
Kinetic molecular theory
77
What type of energy is stored in the stretched bow of a bow and arrow?
Potential energy
78
What type of force acts between charged particles and is a combination of electrical and magnetic forces?
Electromagnetic or Lorentz force
79
What type of heat transfer can take place in a vacuum?
Radiation
80
What type of heat transfer is the result of the movement of fluid molecules from higher temperature regions to lower temperature regions?
Convection
81
What type of thermometer is used to measure the temperature of chemicals in the laboratory but not the human body?
Laboratory Thermometer
82
What unit is used to measure the intensity of light?
Candela
83
When two light waves super impose to create new light waves of higher or lower amplitude what is this called?
Light interference
84
Which electronic instrument is used for detecting and measuring ionizing radiation?
Geiger counter
85
Which instrument is used to measure the viscosity of a fluid?
Viscometer
86
Which law describes the relationship between internal energy, heat transferred and work associated with a system?
1st law of thermodynamics
87
Which law is governed by the statement that force is equal to mass multiplied by acceleration?
Newton 2nd law of motion
88
Which law states that in a chemical reaction mass is neither created nor destroyed?
Law of conservation of mass
89
Which law states that in every action there is an opposite and equal reaction?
Newton 3rd law of motion
90
Which law states that the sum of the Torques on a system rotating about a fixed axis equals the product of the moment of inertia and the angular acceleration?
Second law of rotational motion
91
Which letter including the case is the symbol for the speed of light?
c (common)
92
Which letter including the case is the symbol for the universal gas constant?
R
93
Which physicist formulated the laws of motion?
Isaac Newton
94
Which specific law states that the mass of a substance deposited at any electrode is directly proportional to the quantity of electricity or charge passed?
Faraday’s first law of electrolysis
95
Which symbol is used to denote electrical resistivity?
Rho
96
Who discovered that electric current creates a magnetic field?
Hans Christian Oersted
97
Who holds Jamaica’s national record for the women’s 800m in athletics?
Natoya Goule
98
Who proposed the theory of relativity?
Albert Einstein
99
Whose law state that the power per unit area radiated from a black body is proportional to the 4th power of its absolute temperature?
Stefan-Boltzmann law or Stefan’s law
100
Whose law states that the net electric flux across any closed surface is proportional to the total electric charge within that closed space?
Gauss's law
101
Whose principle states that every point on a wave front is a source of spherical wavelengths?
Huygens Principle
102
What is the SI unit of molar mass?
Kilograms per mole (Kg mol-1)
103
Give the first and last name after whom the element Fermium is named?
Enrico Fermi
104
Give the first and last name for the scientist after whom the element nobelium is named?
Alfred Nobel
105
If an applied force results in an increase in an object’s length what is the resulting stress called?
Tensile
106
In physics what does the A represents in the formula P=F/A using conventional symbols?
Area
107
In physics what does the P represent in the formula P=M/V when using conventional English symbols?
Density
108
In Physics what is the name for a type of deformation that occurs when an object is subjected to twisting forces?
Torsion
109
In physics what is the name for the process of transmission of energy from 1 particle to another?
Conduction
110
In what year was the photoelectric effect discovered?
1887
111
In what year was the quantum theory developed?
1900
112
Light travels faster through glass than it does through water is this statement true or false?
False
113
Name one of the three persons who shared the Nobel prize for physics in 2022 for experiments with entangled photons?
Alain Aspect, John Clauser and Anton Zeilinger
114
Name the experiment performed to prove the interference of light?
Young’s Double slit Experiment
115
Through which medium does light travel the fastest?
Vacuum
116
Time moves faster at the top of a building than at the bottom is this statement true or false?
True
117
To the nearest whole number how many earth years does it take for the planet Jupiter to make a complete revolution around the sun?
12
118
What colour of light travels fastest in any medium except air?
Red
119
What colour of light travels slowest in glass?
Voilet
120
What is a theoretical framework that combines classical field theory, special relativity and quantum mechanics?
Quantum field theory
121
What is another term for the luminous flux per unit area?
Illuminance
122
What is defined as the form of energy that is produced by the movement of electrically charged particles travelling through a matter?
Electromagnetic radiation
123
What is the bending of light as it passes from one transparent medium into another called?
Refraction
124
What is the derives SI unit for electric flux?
Volt meter (Vm)
125
What is the formula for Newton’s 3rd law of motion?
F A = − F B
126
What is the formula for newtons second law of motion?
F=Ma
127
What is the meaning of the abbreviation FM when applied to the signal emitted from radios, telecommunications and broadcasting?
Frequency modulation
128
What is the name for the combination of two lighter nuclei to form a heavier nucleus?
Nuclear fusion
129
What is the name for the emission of electrons when electromagnetic radiation such as light hits a material?
Photoelectric effect (Photoelectric emission)
130
What is the name for the force that opposes motion within the fluid or between the fluid and another medium flowing through it?
Fluid friction
131
What is the name for the lowest temperature theoretically possible when all random motion of molecules has ceased?
Absolute zero
132
What is the name for the movement of heat across the border of a system due to a difference in temperature between the system and it’s surroundings?
Heat transfer
133
What is the name for the rotational analogue of force causing an object to rotate around an axis? l
Torque
134
What is the name for the unit of length in the international system of units equal to 1 billionth of a meter?
Nanometre
135
What is the name of the phenomenon in which a ray of light changes direction as it passes from one medium to another?
Refraction
136
What is the name of the scientist who first proposed the wave theory of light?
Christian Huygens
137
What is the name of the theory that includes a way for the speed of light to define the relationship between energy and matter?
Theory of relativity
138
What is the nationality of the scientist after whom pascals law is named?
French
139
What is the result when two audible sound waves of near by frequencies travel in the same path so that their effect are super imposed?
Beats are produced
140
What is the scattering of light by very small particles suspended in a gas or liquid called?
Tyndall Effect
141
What is the SI unit for electrical conductivity?
Siemens per meter (S/m)
142
What is the SI unit of electric charge?
Coulomb
143
What is the SI unit of electromotive force (E.M.F)?
Volts
144
What is the SI Unit of heat capacity?
JK-1
145
What is the SI Unit of latent heat?
Joule per kilogram
146
What is the SI Unit of linear momentum?
Kilogram meters per second (Kg M/S)
147
What is the SI unit of moment of force?
Newton meter (Nm-1)
148
What is the SI Unit of the gas constant?
Joule per mole per kelvin (J/mol/K)
149
What is the SI unit of the Universal gas constant?
J/mol/K
150
What is the surname of the physicist who proposed the uncertainty Principle?
Heisenberg
151
What is the temperature to which a substance must be heated before it will produce flames?
Ignition temperature
152
What is the term in physics for the measure of a fluid’s resistance to flow?
Viscosity
153
What is the unit of planks constant?
Js
154
What is the value of 0°C in kelvin to the nearest tenth?
-273.2K
155
What kind of kinetic energy has the ability to make types of light visible to the human eye?
Light energy
156
What nationality is the scientist after whom Hooke’s law is named?
British
157
157
What specific name is given to the time rate at which an object rotates or revolves around an axis?
Angular velocity
158
What term defines a motion in which the restoring motion is directly proportional to the displacement of the body from its mean position?
Simple Harmonic Motion
159
What term defines a to and fro motion of a particle about its mean position?
Oscillation
160
What term is used to refer to the outcome of collisions between high frequency photons and charged particles?
Compton scattering
161
What term is used to refer to the proportional change in length of an object when a tensile force is applied?
Strain
162
What two laws govern the relationship between electrically charged particles and their ability to create electrostatic force and electrostatic fields?
Coulomb’s law
163
What wave phenomenon is demonstrated in the experiment in which a laser is aimed at two closely spaced tiny slits and produces a pattern with a series of alternating light and dark bands?
Interference
164
When calculating the linear velocity what does the X represents in the formula?
Distance covered or Displacement
165
When you mix blue and red light what colour light is formed?
Magenta or purple
166
When you mix red and green light what colour light is formed?
Yellow
167
Which English physicists is considered to be one of the founders of quantum electronics and quantum electrodynamics?
Paul Dirac
168
Which is the first name of the physicists who proposed Huygens principle?
Christiaan
169
Which law explains the relationship of light waves at maximum polarization angle of light?
Brewsters law
170
Which law states that it is impossible to create a thermodynamic process that is perfectly efficient?
The 3rd law of thermodynamics
171
Which law states that the rates of diffusion of gasses are inversely proportional to the square roots of their densities?
Graham's law
172
Which New Zealand Physicist discovered the proton?
Earnest Rutherford
173
Which physicist discovered radioactivity?
Henri Becquerel
174
Which Physicist discovered the neutron?
James Chadwick
175
Which scientist demonstrated by his experiments with prisms that white light consists of a mixture of seven colours?
Isaac Newton
176
Which scientist discovered photons?
Albert Einstein
177
Which Scottish physicist is responsible for the classical theory of electromagnetic radiation?
James Maxwell
178
Which theory assumes that gas molecules are very small relative to the distance between molecules?
Kinetic theory
179
Which theory states that waves can exhibit particle like properties while particles can exhibit wave like properties?
The Wave-Particle Duality theory
180
Which two elements were discovered by Marie Curry?
Radium and polonium
181
Which waves has the longest wavelength?
Radio waves
182
Which waves has the most energy in the electromagnetic spectrum?
Gamma rays
183
Who discovered the electron?
J.J. Thompson
184
Who is the only laureate who has been awarded the Nobel prize in physics twice?
John Bardeen
185
Who was awarded the Nobl prize in physics in 1906 for his work exploring the electrical conductivity of gasses?
Joseph Thompson or J.J Thompson
186
Who was the captain of the Trinidad and Tobago Knight riders cricket team in the CPL in 2023?
Kieron Pollard
187
Who was the first scientist to win the Nobel prize in physics with his discovery of the X-rays?
Wilhelm Röntgen
188
What is the SI Unit of surface tension?
Newton per meter (Nm-1)
189
What is 80°F in °C to the nearest whole number?
27°C
190
A boy has a toy car with a mass of 3.5 Kg he applied a force of 42N what was the car’s acceleration?
12ms-2
191
Centripetal is the adjective used to describe the force causing circular motion, what does centripetal mean?
Seeking the centre
192
For his contributions to atomic structure and quantum theory who was awarded the Nobel prize in physics in 1922?
Niels Bohr
193
How many watts are equivalent to 1 horsepower?
746 watts
194
In physics if two wave sources have an identical frequency and Wave form what are they called?
Coherent or standing wave
195
In Physics in the formula S = d/t what does the S stand for?
Speed
196
In the formula E = mC2 what does the C represent?
The speed of light in a vacuum
197
In the formula U=Mgh state specifically what is h?
Height above the ground
198
The resultant force of a couple is equal to the resultant force of what?
The moment
199
What device is used to measure the concentration of sugar in a solution?
Saccharometer
200
What electric conversion occurs when an electric bell rings?
Electrical energy to sound energy
201
What instrument is used to measure the intensity of light?
photometer
202
What is another name for the wet and dry bulb thermometer that measures relative humidity?
Hygrometer
203
What is the name for a hypothetical idolised physical body that completely absorb all incident electromagnetic radiation regardless of frequency or angle of incidence?
Black body
204
What is the name for a measure of electrical conduction numerically equal to the reciprocal of the impedance?
Admittance
205
What is the name for a sub-atomic particle such as a proton or a neutron each of which is usually made of 3 quarks?
Baryon
206
What is the name for a type of electrical current in which the direction of the flow of the electrons switches back and forth at regular intervals or cycles?
Alternating current
207
What is the name for that property of a material or object which enables it to recover its original shape if a distorting force is applied and then removed?
Elasticity
208
What is the name for the error that occurs due to incorrect positioning of the eyes while taking a reading on a measuring scale?
Parallax error
209
What is the name for the exchange of heat energy between a particle and an electromagnetic wave?
Radiation
210
What is the name given to sounds below 20 hertz?
Infrasonic
211
What is the name of 1 complete wave of alternating current or voltage?
Cycle
212
What is the name of the sonar device used to measure depth of water in the sea or ocean?
Fathometer
213
What is the SI unit of coefficient of viscosity?
Pascal seconds or Newton seconds per square meter
214
What is the SI unit of gravitational field strength?
Newton per kilogram (NKg-1)
215
What is the specific name for the curved path traced out by an object projected from the surface of the earth at an angle to the vertical?
Parabola
216
What is the term for the product of mass and velocity?
Momentum
217
What property of an object allows it to go back to its original shape after deformation?
Elasticity
218
What quantity is measured using an ohmmeter?
Electrical resistance
219
What type of electromagnetic radiation has the lowest frequency?
Radio Waves
220
What type of energy can be calculated using the formula U=Mgh?
Gravitational Potential energy
221
What type of lens is used in reading glasses to bring near objects to a sharper focus?
Concave or diverging
222
When a falling object hits the ground all Its Kinetic energy gets converted into which two other forms of energy?
Heat energy and sound energy
223
Which law of motion essentially states that when an object falls from a certain height the acceleration increases because of the gravitational force?
Newton’s 2nd Law of motion
224
Which law states that objects attract each other with a force directly proportional to the masses of the objects and inversely proportional to the square of the distance between them?
Law of gravitation
225
Which Physicist is responsible for the classic theory of electromagnetic radiation?
James Maxwell
226
Which principle states that when a body is partially or totally immersed in a fluid it experiences an upward thrust that is equal to the weight of the fluid displaced by it?
Archimedes principle
227
Who theorised that atmospheric pressure decreases with height?
Blaise Pascal
228
Whose constant relates the energy of a photon of electromagnetic radiation to its frequency?
Planck's constant
229
Whose discovery of energy quanta won him the Nobel prize in physics in the early 20th century?
Max Planck
230
A man applies a force of 10N and moves an object a distance of 4m in 16s. What is the power generated?
2.5W
231
By what other name was the physicist Benjamin Thompson who challenged the caloric theory known?
Count Rumford
232
Give the first and last name of the German Physicists who invented the first commercially successful dry cell battery?
Carl Gassner
233
How much net force is required to accelerate a 2 500 Kg car at 25ms-2?
62500N
234
In fluid dynamics what is the term for the critical flow rate at which a fluid transitions from laminar to turbulent flow?
Critical Reynolds number (Reynolds number)
235
In its most basic form a transformer the primary winding coil receives energy from which source?
Alternating current power source (AC)
236
In physics what is the name for the type of wave that travels in the direction of the medium?
Longitudinal waves
237
Rock climbers pulling their vertical rope downwards to push themselves upwards is an example for which law of motion?
Newtons 3rd law of motion
238
Specific gravity, strain and refractive index are all dimensionless variables, True or False?
True
239
Specifically, what removes just the negative voltage components of a circuit using a single diode before converting to direct current?
Half wave rectification
240
The Austrian physicist Anton Zeilinger was jointly awarded the 2022 Nobel prize in physics for his experiments in what specific phenomenon of quantum physics?
Quantum Entanglement
241
The most widely manufactured device in history is a specialised semi-conductor called a MOSFET, give the full meaning of the acronym MOSFET?
metal-oxide-semiconductor field-effect transistor
242
The opening and closing of a door along a fixed hinge is a good everyday example of what aspect of a force?
The moment or turning effect or torque
243
The ratio of the velocities of an elastic object before and after collision with a flat inelastic surface is given a special name what is it?
Coefficient of restitution
244
The twinkling of stars is due to which optical phenomenon?
Refraction
245
The zinc carbon cell has a zinc anode a manganese dioxide cathode and one of two possible electrolytes, name them?
Ammonium chloride and Zinc chloride
246
Three persons were Jointly awarded the Nobel prize in physics in 2020 which of them…?
Andrea Ghez, Roger Penrose and Reinhard Genzel
247
To the nearest ten what is the value for the critical angle for a glass blocking air when the glass has an index of refraction of 1.5?
40 degrees
248
To whom was the Nobel prize in physics in 1910 awarded?
Johannes Diderik van der Waals
249
Two resistors of nominal values ‘R’ are connected in series and the combination connected to a battery of negligible internal resistance a third resistor of nominal value ‘R’ is placed in parallel with one of the original resistors what will be the change in value of the total resistance across the battery?
-0.5R
250
V=IR is the formula that represents which law?
Ohms law
251
What energy transformation occurs in a waterfall?
Potential to kinetic energy
252
What form of electricity do you get when you rub two balloons and they stick together?
Static electricity
253
What is defined as the mechanical property of a material to withstand compression or elongation with respect to its length?
Modulus of Elasticity or young’s Modulus
254
What is known as the maximum displacement of the particles of a medium from there equilibrium position?
Amplitude
255
What is the CGS Unit of energy?
Erg
256
What is the complete name for a reaction in which two or more atomic nuclei usually deuterium and tritium combine to form one or more atomic nuclei and subatomic particles?
Nuclear fusion
257
What is the derived unit of mass concentration?
Kilogram per cubic metre (Kgm-3)
258
What is the equivalent of 1 atmosphere in pascals?
101 325Pa
259
What is the five-letter alternative name for a flywheel which is the rotating magnetic core of an alternator?
Rotor
260
What is the focal length of a combination of a convex lens of focal length 30 cm in contact with a concave lens of focal length 20 cm?
-60 cm
261
What is the initial velocity relative to the dropper if a ball is dropped and not thrown?
0
262
What is the kinetic energy of a 1500kg car going at speeds of 2m/s?
3000J
263
What is the mass of the electron to 1 decimal place?
9.1*10-31kg
264
What is the name for a device that converts sounds into electricity?
Microphone
265
What is the name for a force of 1N Moving an object a distance of 1m?
1J
266
What is the name for a two terminal electronic component that conducts current primarily in one direction?
Diode
267
What is the name for a unit of length primarily used to measure sub-atomic particles that is equal to 10-10 m?
Angstrom
268
What is the name for the branch of physics dealing with the production transmission and effects of sound?
Acoustics
269
What is the name for the device that uses an auxiliary scale measuring hundreds of a millimetre which is marked on a rotary thimble?
micrometer screw gauge
270
What is the name for the fictitious outward force often times associated with any object moving in a circle?
Centrifugal force
271
What is the name for the measure of the amount of resistance encountered when forming a magnetic field in a classical vacuum?
Permeability of free space
272
What is the name for the measure of the force that can cause an object to rotate about an axis?
Torque
273
What is the name for the opposition to alternating current presented by the combined effect of resistance and reactants in a circuit?
Impedance
274
What is the name for the pressure exerted by a fluid due to its weight?
Hydrostatic pressure
275
What is the name for the process of repeating variations of any quantity or measure about its equilibrium value in time?
Oscillation
276
What is the name for the type of logic gate with 1 binary input and 1 binary output?
NOT gate or inverter
277
What is the name of the electronic circuit which is the basic building block of a semiconductor device?
Logic Gate
278
What is the name of the theory Which demonstrates that the macroscopic properties of a gas can be derived from the properties of its individual particles?
Kinetic Theory
279
What is the principal refracting structure in the human eye?
Cornea
280
What is the refractive index of diamond to the nearest tenth?
2.4
281
What is the rest mass of an electron to two decimal places?
9.11*10^-31Kg
282
What is the SI unit of conductivity?
Siemens per meter
283
What is the SI unit of gravitation potential?
Jule per Kilogram (JKg-1)
284
What is the specific name for a type of circuit that converts each cycle of an alternating current into two pulses of direct current?
A full wave rectifier
285
What is the specific name for the type of deformation experienced by an object in the direction of an applied tensile force?
Tensile strain
286
What is the specific name for traveling waves in which the disturbance in the medium is in the same direction as the direction of motion of the wave?
Longitudinal wave
287
What is the term for the angle of incidence where the angle of refraction is 90°?
Critical angle
288
What is the term for the vector difference between the start and ending positions of an object?
Displacement
289
What is the value of the unified atomic mass constant to two decimal places?
1.66*10-27Kg
290
What letter including its specific case is used to represent the Boltzmann constant?
Common k
291
What name is given to that property of a wave which causes it to spread out after passing through a narrow aperture?
Defraction
292
What quantity is defined as the difference in potential energy per unit charge?
electric potential or voltage
293
What unit is defined as the activity of the quantity of radioactive material…?
Becquerel
294
When a body is in equilibrium under the action of two or more turning forces the algebraic sum of the moments about the turning point is what value?
0
295
When an object falls freely towards the ground what is the impact on it’s potential energy?
Potential energy decreases
296
When forces pull on an object and cause its elongation what specific term is used to indicate its fractional or percentage elongation?
Tensile strain or stress
297
Which law outlines the relationship between the charge distance and magnitude of the electrical force between two bodies?
Coulomb’s law
298
Which law states that the rate of emission of radiant energy per unit area by a black body is directly proportional to the 4th power of its absolute temperature?
Stefan’s Boltzmann law (Stefan's law)
299
Which law states that when two objects collide in an isolated system the total momentum before and after collision remains equal?
Law of conservation of momentum
300
Which physical principle describes the effect of two waves of the same type passing through the same point at the same time?
The super position principle
301
Which Physicist developed the theory of the expanding universe?
Edwin Hubble
302
Which physicist developed what became known as the plumb pudding model of the atom in which electrons were embedded in a uniform sphere of positive charge like blue berry stuck into a muffin?
J.J. Thomson
303
Why is the secondary winding in a stepdown transformer facilitated with larger gage wire?
Because of the increase in current
304
A door stopper is an example of which type of simple machine?
Wedge
305
An aeroplane moving through the air experiences a retarding force due to friction with the air what is this force called?
Drag force?
306
An example of which simple machine is the adjustable nozzle at the end of a garden hose?
Screw
307
Chemical energy is ultimately converted to what type of energy when gasoline is burned in a cars engine to make the vehicle move?
mechanical or heat energy
308
Complete this statement with the correct word “mechanical power equals the velocity multiplied by the”?
force
309
Complete this statement with the correct word “The speed of light equals frequency multiplied by”?
Wavelength
310
Does light travel faster in air water or neither?
Air
311
Give the English translation for the Spanish “mi padre murió de un ataque un corazón”?
My father died from a heart attack
312
Give the English translation for the Spanish “tengo fiebre alta”?
I have a high fever
313
Give the first name of the physicist who developed Carnot’s Rule?
Nicholas
314
Give the first and last names of the scientist after whom the element lawrencium is named?
Earnest Lawerence
316
Give the first name of the physics after whom planks constant is named?
Max
317
Give the fist and last names of the scientist after whom the element Bohrium is named?
Niels Bohr
318
In physics there are two different types of longitudinal stress name one of them?
Tensile or compressive
