CAPE Physics Unit 1 Paper 1 Past Questions Flashcards
(305 cards)
1
Q
A 200 N force acts on a 2 kg trolley, accelerating it from rest to 14 m/s. What is the rate of change of momentum
A
200 kg m/s
2
Q
A 200 N force acts on a 2 kg trolley, accelerating it from rest to 14 m/s. What is the rate of change of momentum
A
200 kg m/s
3
Q
A 24 g oxygen sample occupies 0.05 m³ at 47 °C. What is the pressure
A
3.98 x 104 Pa
4
Q
A 24 g oxygen sample occupies 0.05 m³ at 47 °C. What is the pressure
A
3.98 x 104 Pa
5
Q
A 25 g stone is projected horizontally at 30 m/s from a 60 m cliff. What is its impact velocity
A
45.6 m/s
6
Q
A 25 g stone is projected horizontally at 30 m/s from a 60 m cliff. What is its impact velocity
A
45.6 m/s
7
Q
A 60 N block is pulled aside by a 42 N horizontal force. What is the tension in the cord
A
73 N
8
Q
A 60 N block is pulled aside by a 42 N horizontal force. What is the tension in the cord
A
73 N
9
Q
A black sphere at T1is in an enclosure at T2. The net rate of energy gain is proportional to:
A
(T2)4- (T1)4
10
Q
A body moves in a circle of radius r with centripetal acceleration a.. Which equation for a is correct
A
I and III only
11
Q
A body moves in a circle of radius r with centripetal acceleration a.. Which equation for a is correct
A
I and III only
12
Q
A boy runs a 400 m circular track at 5 m/s. What is his angular velocity
A
0.079 rad/s
13
Q
A boy runs a 400 m circular track at 5 m/s. What is his angular velocity
A
0.079 rad/s
14
Q
A car moves at constant speed v around a circular path of radius r. Which statement is true
A
The car’s velocity changes, and its centripetal acceleration is v2r.
15
Q
A car moves at constant speed v around a circular path of radius r. Which statement is true
A
The car’s velocity changes, and its centripetal acceleration is v2r.
16
Q
A diffraction grating (500 lines/mm) produces a second-order maximum at 30°. What is the wavelength
A
500 nm
17
Q
A diffraction grating (500 lines/mm) produces a second-order maximum at 30°. What is the wavelength
A
500 nm
18
Q
A diffraction grating (500 lines/mm) produces a second-order maximum at 30°. What is the wavelength
A
500 nm
19
Q
A diffraction grating (500 lines/mm) produces a second-order maximum at 30°. What is the wavelength
A
500 nm
20
Q
A force-extension graph shows a wire stretched from 1 mm to 2 mm. How much work is done
A
0.045 J
21
Q
A force-extension graph shows a wire stretched from 1 mm to 2 mm. How much work is done
A
0.045 J
22
Q
A gas expands from 16 m³ to 140 m³ at 1750 kPa. How much work is done
A
217 kJ
23
Q
A gas expands from 16 m³ to 140 m³ at 1750 kPa. How much work is done
A
217 kJ
24
Q
A metal case falls 80 m from a hovering helicopter. What is its velocity just before hitting the ground
A
39.6 m/s
25
A metal case falls 80 m from a hovering helicopter. What is its velocity just before hitting the ground
39.6 m/s
26
A parachutist of mass 80 kg descends at a constant velocity of 3.0 m/s. What is the resultant downward force
0 N
27
A parachutist of mass 80 kg descends at a constant velocity of 3.0 m/s. What is the resultant downward force
0 N
28
A pendulum starts oscillating from position \( P \). Where is its kinetic energy maximum
At position R
29
A pendulum starts oscillating from position \( P \). Where is its kinetic energy maximum
At position R
30
A pipe (85 cm long) produces a sound wave. If the speed of sound is 340 m/s, what is the fundamental frequency
100 Hz
31
A pipe (85 cm long) produces a sound wave. If the speed of sound is 340 m/s, what is the fundamental frequency
100 Hz
32
A pipe of length 85 cm produces a waveform with a fundamental frequency of:
33
100 Hz
34
A pipe of length 85 cm produces a waveform with a fundamental frequency of:
35
100 Hz
36
A plank is balanced under forces of 60 N and 30 N. What is its weight
90 N
37
A plank is balanced under forces of 60 N and 30 N. What is its weight
90 N
38
A plank is in equilibrium under forces P, T, and W. Which statements are true
T + P = W, P(x + y) = Wy, Px = Ty
39
A plank is in equilibrium under forces P, T, and W. Which statements are true
T + P = W, P(x + y) = Wy, Px = Ty
40
A plank is in equilibrium under forces P, T, and W. Which statements are true
T + P = W. P(x + y) = Wy. Px = Ty
41
A plank is in equilibrium under forces P, T, and W. Which statements are true
T + P = W. P(x + y) = Wy. Px = Ty
42
A racing car moves around a circular track at 60 m/s. The radius is 500 m. What is the ratio of centripetal force to the car's weight
0.73
43
A racing car moves around a circular track at 60 m/s. The radius is 500 m. What is the ratio of centripetal force to the car's weight
0.73
44
A rectangular picture is supported by two strings. What is the tension T in one of the strings
600 N
45
A rectangular picture is supported by two strings. What is the tension T in one of the strings
600 N
46
A resistance thermometer reads 27.5 Ω (ice), 73.5 Ω (steam), and 41.2 Ω (unknown). What is the unknown temperature
42.0 °C
47
A resistance thermometer reads 27.5 Ω (ice), 73.5 Ω (steam), and 41.2 Ω (unknown). What is the unknown temperature
42.0 °C
48
A rubber ball of weight W is suspended and displaced by a wind force H at angle θ. What is the tension T in the string
T = Wcos θ
49
A rubber ball of weight W is suspended and displaced by a wind force H at angle θ. What is the tension T in the string
T = Wcos θ
50
A slingshot extends by 7 cm under a 20 N force. At what velocity does a 20 g stone fly off
8.4 m/s
51
A slingshot extends by 7 cm under a 20 N force. At what velocity does a 20 g stone fly off
8.4 m/s
52
A student hears sounds from 40 Hz to 15 kHz. What is the shortest audible wavelength(Speed of sound = 330 m/s)
0.022 m
53
A student hears sounds from 40 Hz to 15 kHz. What is the shortest audible wavelength(Speed of sound = 330 m/s)
0.022 m
54
A student measures the circumference of a 5.00 m radius circle as 31.41 m. Which statement is correct
The measurement is precise and accurate.
55
A student measures the circumference of a 5.00 m radius circle as 31.41 m. Which statement is correct
The measurement is precise and accurate.
56
A student measures the circumference of a circular room (radius = 5.00 m) as 31.41 m. Which statement is correct
The measured circumference is precise and accurate.
57
A student measures the circumference of a circular room (radius = 5.00 m) as 31.41 m. Which statement is correct
The measured circumference is precise and accurate.
58
A student measures the circumference of a circular room of radius 5.00 m using a metre rule and obtains the result 31.41 m. Which statement is correct
The measured circumference is precise and accurate.
59
A student measures the circumference of a circular room of radius 5.00 m using a metre rule and obtains the result 31.41 m. Which statement is correct
The measured circumference is precise and accurate.
60
A swimmer of mass 66,000 g accelerates with a force of 90 N. What is his acceleration
1.36 m/s²
61
A swimmer of mass 66,000 g accelerates with a force of 90 N. What is his acceleration
1.36 m/s²
62
A tennis ball is hit horizontally at 8 m/s from 1.8 m above the ground. How long is it in the air
0.61 s
63
A tennis ball is hit horizontally at 8 m/s from 1.8 m above the ground. How long is it in the air
0.61 s
64
A train accelerates from 5 m/s to 15 m/s over 50 m. What is its acceleration
2.0 m/s²
65
A train accelerates from 5 m/s to 15 m/s over 50 m. What is its acceleration
2.0 m/s²
66
A train accelerates uniformly from 5 m/s to 15 m/s over 50 m. What is its acceleration
2.0 m/s²
67
68
**Question 11**
69
Two identical tennis balls \( R \) and \( S \) are launched simultaneously. Which statement is correct?
70
**Answer:**
71
\( R \) and \( S \) hit the ground simultaneously with the same velocity.
72
A train accelerates uniformly from 5 m/s to 15 m/s over 50 m. What is its acceleration
2.0 m/s²
73
74
**Question 11**
75
Two identical tennis balls \( R \) and \( S \) are launched simultaneously. Which statement is correct?
76
**Answer:**
77
\( R \) and \( S \) hit the ground simultaneously with the same velocity.
78
A U-tube manometer measures gas pressure p. If atmospheric pressure is pA , what is p
pA+ h ⍴g
79
A U-tube manometer measures gas pressure p. If atmospheric pressure is pA , what is p
pA+ h ⍴g
80
A van of mass m with power P accelerates from rest to speed v. What is the least time required
mv22P
81
A van of mass m with power P accelerates from rest to speed v. What is the least time required
mv22P
82
A vibrator produces stationary waves on a 15 m cable at 50 Hz. What is the wave speed
500 m/s
83
A vibrator produces stationary waves on a 15 m cable at 50 Hz. What is the wave speed
500 m/s
84
Accommodation in the human eye refers to:
Adjustment of the lens to focus on objects at different distances.
85
Accommodation in the human eye refers to:
Adjustment of the lens to focus on objects at different distances.
86
An 85 cm open pipe resonates at what fundamental frequency(Speed of sound = 340 m/s)
100 Hz
87
An 85 cm open pipe resonates at what fundamental frequency(Speed of sound = 340 m/s)
100 Hz
88
An immersion heater (150 W) melts 10 g of ice (latent heat = 3 x 105kg). How long does it take
20 s
89
An immersion heater (150 W) melts 10 g of ice (latent heat = 3 x 105kg). How long does it take
20 s
90
An object falls freely under gravity from a height of 12.5 m. Which equation determines the time taken to reach the ground
t = 25g
91
An object falls freely under gravity from a height of 12.5 m. Which equation determines the time taken to reach the ground
t = 25g
92
An object is placed 18 cm in front of a convex lens with a 12 cm focal length. Where is the image formed
36 cm from the lens
93
An object is placed 18 cm in front of a convex lens with a 12 cm focal length. Where is the image formed
36 cm from the lens
94
An object of mass m is acted upon by a force F for time t , changing its velocity from u to v. Which equation determines the impulse of the force
Impulse = Ft and Impulse = mv - mu
95
An object of mass m is acted upon by a force F for time t , changing its velocity from u to v. Which equation determines the impulse of the force
Impulse = Ft and Impulse = mv - mu
96
An uncalibrated thermometer shows heights of 4 cm (ice), 28 cm (steam), and 14 cm (water). What is the water temperature
41.7 °C
97
An uncalibrated thermometer shows heights of 4 cm (ice), 28 cm (steam), and 14 cm (water). What is the water temperature
41.7 °C
98
An uncalibrated thermometer shows heights of 4 cm (ice), 28 cm (steam), and 14 cm (water). What is the water temperature
41.7 °C
99
An uncalibrated thermometer shows heights of 4 cm (ice), 28 cm (steam), and 14 cm (water). What is the water temperature
41.7 °C
100
As an object moves from Earth's center, gravitational field strength \( g \) varies as:
101
g ∝ 1r2
102
As an object moves from Earth's center, gravitational field strength \( g \) varies as:
103
g ∝ 1r2
104
At what angle does second-order constructive interference occur for 700 nm light through a 600 lines/mm grating
57°
105
At what angle does second-order constructive interference occur for 700 nm light through a 600 lines/mm grating
57°
106
Avogadro's constant is numerically equal to the number of:
Atoms in 0.012 kg of carbon-12.
107
Avogadro's constant is numerically equal to the number of:
Atoms in 0.012 kg of carbon-12.
108
Coplanar forces of 7 N, 24 N, and X are in equilibrium. What is the value of X
25 N
109
Coplanar forces of 7 N, 24 N, and X are in equilibrium. What is the value of X
25 N
110
Covering hot soup reduces heat loss by:
Conduction, convection, and evaporation.
111
Covering hot soup reduces heat loss by:
112
Conduction, convection, and evaporation.
113
Covering hot soup reduces heat loss by:
114
I. Conduction, II. Convection, III. Evaporation
115
Covering hot soup reduces heat loss by:
116
I. Conduction, II. Convection, III. Evaporation
117
Damping is not useful in:
118
A quartz crystal watch.
119
Damping is not useful in:
120
A quartz crystal watch.
121
Desirable properties for a cooking pot:
Low specific heat capacity and high conductivity.
122
Desirable properties for a cooking pot:
123
Low specific heat capacity and high conductivity.
124
For a composite conductor with materials of thermal conductivities k, k/2, and k/3, which graph describes the temperature gradient
Graph with steeper slopes for lower conductivity materials.
125
For a composite conductor with materials of thermal conductivities k, k/2, and k/3, which graph describes the temperature gradient
Graph with steeper slopes for lower conductivity materials.
126
For a forced oscillator, which graph reflects the chamber with the LOWEST pressure
Graph with the sharpest resonance peak.
127
For a forced oscillator, which graph reflects the chamber with the LOWEST pressure
Graph with the sharpest resonance peak.
128
For a forced oscillator, which graph reflects the lowest pressure chamber
Graph with the sharpest resonance peak.
129
For a forced oscillator, which graph reflects the lowest pressure chamber
Graph with the sharpest resonance peak.
130
For a thermocouple, what property does x represent in the empirical centigrade scale formula
Electromotive force (emf)
131
For a thermocouple, what property does x represent in the empirical centigrade scale formula
Electromotive force (emf)
132
Given displacement-time and displacement-distance graphs for a wave, what is the wave velocity
5.0 × 10³ m/s
133
Given displacement-time and displacement-distance graphs for a wave, what is the wave velocity
5.0 × 10³ m/s
134
Given displacement-time and displacement-distance graphs, what is the wave velocity
5.0 × 10³ m/s
135
Given displacement-time and displacement-distance graphs, what is the wave velocity
5.0 × 10³ m/s
136
Helium gas (pressure = 1.7 x 105 Pa, density = 0.92 kg/m³. What is the rms speed of helium atoms
745 m/s
137
Helium gas (pressure = 1.7 x 105 Pa, density = 0.92 kg/m³. What is the rms speed of helium atoms
745 m/s
138
Helium gas has a pressure of 1.7 x 105 Pa and density 0.92 kg/m³. What is the rms speed of helium atoms
745 m/s
139
Helium gas has a pressure of 1.7 x 105 Pa and density 0.92 kg/m³. What is the rms speed of helium atoms
745 m/s
140
How long does a 150 W heater take to melt 10 g of ice
Latent heat = 3 X 10^5 J/kg
141
20 s
142
How long does a 150 W heater take to melt 10 g of ice
Latent heat = 3 X 10^5 J/kg
143
20 s
144
If H = 12mv2, what are the units of H
kg m2 s-2
145
If H = 12mv2, what are the units of H
kg m2 s-2
146
If m is mass and E is kinetic energy, what is linear momentum
2mE
147
If m is mass and E is kinetic energy, what is linear momentum
2mE
148
If m is the mass of an object and E its kinetic energy, its linear momentum is:
2mE
149
If m is the mass of an object and E its kinetic energy, its linear momentum is:
2mE
150
If the mean kinetic energy per molecule is 8.28 x 10-21J, what is the gas temperature
400 K
151
If the mean kinetic energy per molecule is 8.28 x 10-21J, what is the gas temperature
400 K
152
If x = 3 mg and y = 9 kg, what is the relationship between y and x
y = 3 106 x
153
In a double-slit experiment with 400 nm light, fringe separation is 8.0 mm. What is the slit separation
2.5 × 10⁻⁴ m
154
In a double-slit experiment with 400 nm light, fringe separation is 8.0 mm. What is the slit separation
2.5 × 10⁻⁴ m
155
In a gas cycle, no work is done on the gas during:
156
Isochoric (constant volume) processes.
157
In a gas cycle, no work is done on the gas during:
158
Isochoric (constant volume) processes.
159
In a P-V cycle, during which section is no work done on the gas
R-S (constant volume process).
160
In a P-V cycle, during which section is no work done on the gas
R-S (constant volume process).
161
In a phase change graph, where do boiling and melting occur
Horizontal plateaus points X and Z
162
In a phase change graph, where do boiling and melting occur
Horizontal plateaus points X and Z
163
In determining the density of a cube, a student records:
164
Length of side = 3.0 ± 0.1 cm, Mass = 12.5 ± 0.5 g. What is the percentage error in the calculated density
0.14
165
In determining the density of a cube, a student records:
166
Length of side = 3.0 ± 0.1 cm, Mass = 12.5 ± 0.5 g. What is the percentage error in the calculated density
0.14
167
In the first law of thermodynamics Q = U + W, what does W represent
Work done by the system.
168
In the first law of thermodynamics Q = U + W, what does W represent
Work done by the system.
169
In Young's double-slit experiment with white light, the first bright fringe after the central maximum is:
Blue
170
In Young's double-slit experiment with white light, the first bright fringe after the central maximum is:
Blue
171
In ΔU = Q + W, what do Q and W represent
Q: Heat supplied to the system, W: Work done on the system.
172
In ΔU = Q + W, what do Q and W represent
Q: Heat supplied to the system, W: Work done on the system.
173
Is blood pressure 130/85 mmHg equivalent to what in Pa (density of Hg = 13600 kg/m)
(1.73 / 1.13) \times 105)
174
Is blood pressure 130/85 mmHg equivalent to what in Pa (density of Hg = 13600 kg/m)
(1.73 / 1.13) \times 105)
175
On a roller coaster track, at which point does the cart have maximum kinetic energy and minimum potential energy
Point T
176
On a roller coaster track, at which point does the cart have maximum kinetic energy and minimum potential energy
Point T
177
On a roller coaster track, where does the cart have maximum kinetic energy and minimum potential energy
Point T
178
On a roller coaster track, where does the cart have maximum kinetic energy and minimum potential energy
Point T
179
On a roller coaster, where is kinetic energy maximum and potential energy minimum
Point T
180
On a roller coaster, where is kinetic energy maximum and potential energy minimum
Point T
181
Sound intensity is proportional to:
The square of the amplitude.
182
Sound intensity is proportional to:
The square of the amplitude.
183
Specific latent heat is the energy to change the phase of:
184
1 kg of the substance at constant temperature.
185
Specific latent heat is the energy to change the phase of:
186
1 kg of the substance at constant temperature.
187
The displacement of a particle in SHM is x = 8sin(0.4πt). What is its frequency
0.2 Hz
188
The displacement of a particle in SHM is x = 8sin(0.4πt). What is its frequency
0.2 Hz
189
The intensity of sound is proportional to:
190
The square of the amplitude of the oscillation.
191
The intensity of sound is proportional to:
192
The square of the amplitude of the oscillation.
193
The intensity of sound is proportional to:
194
The square of the amplitude.
195
The intensity of sound is proportional to:
196
The square of the amplitude.
197
The mean kinetic energy of gas molecules is 8.28 x 10-21 J. What is the gas temperature
400 K
198
The mean kinetic energy of gas molecules is 8.28 x 10-21 J. What is the gas temperature
400 K
199
The rate of energy radiated by a perfectly black body is proportional to:
The fourth power of its Kelvin temperature.
200
The rate of energy radiated by a perfectly black body is proportional to:
The fourth power of its Kelvin temperature.
201
The shaded area under a force-extension graph represents:
Strain energy.
202
The shaded area under a force-extension graph represents:
203
Strain energy.
204
The terminal velocity of a spherical body falling through a viscous liquid is given by V = krn. To determine k and n, which graph should be plotted
ln V versus ln r
205
The terminal velocity of a spherical body falling through a viscous liquid is given by V = krn. To determine k and n, which graph should be plotted
ln V versus ln r
206
Two cars have kinetic energies in a 3:1 ratio. What is their velocity ratio
36951
207
Two cars have kinetic energies in a 3:1 ratio. What is their velocity ratio
36951
208
Two masses are connected over a frictionless pulley. Which pair of graphs represents their accelerations
Graphs showing equal magnitudes but opposite directions.
209
Two masses are connected over a frictionless pulley. Which pair of graphs represents their accelerations
Graphs showing equal magnitudes but opposite directions.
210
Two sound waves of intensities I1 and I2 have amplitudes 30 mm and 10 mm. What is I1I2
9
211
Two sound waves of intensities I1 and I2 have amplitudes 30 mm and 10 mm. What is I1I2
9
212
Two spheres of mass m and m2 collide elastically. Which statement is correct
Total kinetic energy after impact is 12mv2
213
Two spheres of mass m and m2 collide elastically. Which statement is correct
Total kinetic energy after impact is 12mv2
214
Two waves (amplitude = 5 cm, phase difference = π) superpose. What is the resultant amplitude
0 cm
215
Two waves (amplitude = 5 cm, phase difference = π) superpose. What is the resultant amplitude
0 cm
216
Two wires are extended by 6 mm. What is the difference in energy stored
**Answer:**
217
0.18 J
218
Two wires are extended by 6 mm. What is the difference in energy stored
**Answer:**
219
0.18 J
220
Water falls 500 m. If all energy converts to internal energy, what is the temperature rise
1.17 K
221
Water falls 500 m. If all energy converts to internal energy, what is the temperature rise
1.17 K
222
Water falls 500 m. What is the temperature rise if all energy converts to internal energy
1.17 K
223
Water falls 500 m. What is the temperature rise if all energy converts to internal energy
1.17 K
224
What is the correct equation for thermal conductivity k
k = PAG
225
What is the correct equation for thermal conductivity k
k = PAG
226
What is the intensity change in dB when intensity increases from 1 mW/m² to 100 mW/m²
20 dB
227
What is the intensity change in dB when intensity increases from 1 mW/m² to 100 mW/m²
20 dB
228
What is the phase difference between points \( A \) and \( B \) on a wave graph
π radians
229
What is the phase difference between points \( A \) and \( B \) on a wave graph
π radians
230
What is the phase difference between two oscillations shown in a displacement-time graph
2 rad
231
What is the phase difference between two oscillations shown in a displacement-time graph
2 rad
232
What is the power of a 15 cm focal length lens
6.7 D
233
What is the power of a 15 cm focal length lens
6.7 D
234
What is the power of a lens with a 15 cm focal length
6.7 D
235
What is the power of a lens with a 15 cm focal length
6.7 D
236
What is the unit of heat capacity
J K⁻¹
237
What is the unit of heat capacity
J K⁻¹
238
What lens corrects long sight
Converging meniscus
239
What lens corrects long sight
Converging meniscus
240
What method of heat transfer is reduced by an air layer in double-glazed windows
Conduction;
241
What method of heat transfer is reduced by an air layer in double-glazed windows
Conduction;
242
When terminal velocity is achieved for a ball bearing falling in a viscous liquid, which condition is satisfied
F + U = W
243
When terminal velocity is achieved for a ball bearing falling in a viscous liquid, which condition is satisfied
F + U = W
244
Which conclusions about refraction of water waves are correct
Wavelength changes, and Speed change causes refraction.
245
Which conclusions about refraction of water waves are correct
Wavelength changes, and Speed change causes refraction.
246
Which equation is not used for uniformly accelerated motion
s = ut + 12at
247
Which equation is not used for uniformly accelerated motion
s = ut + 12at
248
Which equation shows the correct relationship between impulse and momentum
Impulse = change in momentum
249
Which equation shows the correct relationship between impulse and momentum
Impulse = change in momentum
250
Which eye defect is corrected by a cylindrical lens
Astigmatism
251
Which eye defect is corrected by a cylindrical lens
Astigmatism
252
Which eye defect is corrected by a cylindrical lens
Astigmatism
253
Which eye defect is corrected by a cylindrical lens
Astigmatism
254
Which graph correctly shows force vs. extension for glass, copper, and rubber
Graph where rubber is non-linear, glass is brittle, and copper is linear.
255
Which graph correctly shows force vs. extension for glass, copper, and rubber
Graph where rubber is non-linear, glass is brittle, and copper is linear.
256
Which graph represents ductile material extension under load
Graph with linear elastic region followed by plastic deformation.
257
Which graph represents ductile material extension under load
Graph with linear elastic region followed by plastic deformation.
258
Which graph represents measurements of poor accuracy but high precision
Narrow spread around the wrong value
259
Which graph represents measurements of poor accuracy but high precision
Narrow spread around the wrong value
260
Which graph represents one cycle of a pendulum's motion
Sinusoidal displacement-time graph.
261
Which graph represents one cycle of a pendulum's motion
Sinusoidal displacement-time graph.
262
Which graph represents the relationship between total energy, potential energy, kinetic energy, and displacement for simple harmonic motion
Graph where total energy is constant, and EP and EK vary inversely.
263
Which graph represents the relationship between total energy, potential energy, kinetic energy, and displacement for simple harmonic motion
Graph where total energy is constant, and EP and EK vary inversely.
264
Which graph shows the force vs. extension for copper, glass, and rubber
Graph where rubber has a non-linear curve, glass is brittle, and copper is linear.
265
Which graph shows the force vs. extension for copper, glass, and rubber
Graph where rubber has a non-linear curve, glass is brittle, and copper is linear.
266
Which heat transfer method involves density changes
Convection
267
Which heat transfer method involves density changes
Convection
268
Which instrument is best for measuring rapidly changing temperatures
Thermocouple
269
Which instrument is best for measuring rapidly changing temperatures
Thermocouple
270
Which liquid exerts the greatest pressure on the base of its cylinder
Liquid with density 1.6 g/cm³ and height 20 cm.
271
Which liquid exerts the greatest pressure on the base of its cylinder
Liquid with density 1.6 g/cm³ and height 20 cm.
272
Which observation indicates sound waves are longitudinal
Cannot be polarized
273
Which observation indicates sound waves are longitudinal
Cannot be polarized
274
Which pair correctly categorizes crystalline and amorphous solids
Diamond (crystalline), Glass (amorphous)
275
Which pair correctly categorizes crystalline and amorphous solids
Diamond (crystalline), Glass (amorphous)
276
Which pair of phrases best describes elastic and inelastic collisions
Elastic: Momentum conserved; Inelastic: Kinetic energy NOT conserved.
277
Which pair of phrases best describes elastic and inelastic collisions
Elastic: Momentum conserved; Inelastic: Kinetic energy NOT conserved.
278
Which quantity is dimensionless
Refractive index
279
Which quantity is dimensionless
Refractive index
280
Which SI unit could be used to express the power of a light bulb
kg m² s⁻³
281
Which SI unit could be used to express the power of a light bulb
kg m² s⁻³
282
Which statement about compressions and rarefactions is false
The distance between two compressions is half a wavelength.
283
Which statement about compressions and rarefactions is false
The distance between two compressions is half a wavelength.
284
Which statement about lenses is false
A diverging lens can form a real image.
285
Which statement about lenses is false
A diverging lens can form a real image.
286
Which statement about polarization is false
Longitudinal waves can be polarized.
287
Which statement about polarization is false
Longitudinal waves can be polarized.
288
Which statement about sound and light waves is correct
Sound waves in air are longitudinal, and light waves are transverse.
289
Which statement about sound and light waves is correct
Sound waves in air are longitudinal, and light waves are transverse.
290
Which statement is false about reflection/refraction
The refracted ray is on the same side of the normal as the incident ray.
291
Which statement is false about reflection/refraction
The refracted ray is on the same side of the normal as the incident ray.
292
Which statement is NOT true for simple harmonic motion
Velocity is minimum at the center.
293
Which statement is NOT true for simple harmonic motion
Velocity is minimum at the center.
294
Which statements about thermal conduction in metals are true
Electrons play a major role; objects must be in contact.
295
Which statements about thermal conduction in metals are true
Electrons play a major role; objects must be in contact.
296
Which stationary wave diagram indicates a pipe length of λ
Diagram showing one full wavelength.
297
Which stationary wave diagram indicates a pipe length of λ
Diagram showing one full wavelength.
298
Which thermometric property pairing is incorrect
Mass of liquid - Mercury-in-glass thermometer.
299
Which thermometric property pairing is incorrect
Mass of liquid - Mercury-in-glass thermometer.
300
Which unit gives the dimensions of the universal gravitational constant G
kg-1 m3 s-2
301
Which unit gives the dimensions of the universal gravitational constant G
kg-1 m3 s-2
302
Which wave has a wavelength in the range of 4 x 10-7 m to 7.5 x 10-7m
Green light
303
Which wave has a wavelength in the range of 4 x 10-7 m to 7.5 x 10-7m
Green light
304
Why is the triple point of water used as a fixed point
It is precisely reproducible with a unique temperature and pressure.
305
Why is the triple point of water used as a fixed point
It is precisely reproducible with a unique temperature and pressure.
