Quiz 1

Question 0

Significance of elements, Scientific Methods, First book of Physics.

Answer 0

Aristotle

Question 1

Matter could be broken down to the smallest substance (atom).

Answer 1

Democritus

Question 2

Mathematical application

Answer 2

Archimedes

Question 3

Concept of acceleration, formulation of inertia and support of heliocentric theory.

Answer 3

Galileo Galilei

Question 4

Three laws of motion, applied force and motion to natural elements.

Answer 4

Issac Newton

Question 5

Discovered magnetic induction, Invented the electric motor.

Answer 5

Michael Faraday

Question 6

Discovered the electron.

Answer 6

JJ Thompson

Question 7

Father of nuclear physics, discovered the atomic nucleus.

Answer 7

Ernest Rutherford

Question 8

Discovered radioactivity

Answer 8

Henri Becquerel

Question 9

Discovered Radium

Answer 9

Marie Curie

Question 10

Photoelectric effect

Answer 10

Albert Einstein

Question 11

Fluoroscopy

Answer 11

Thomas Edison

Question 12

Developed electromechanical technology and contributed to a/c applications.

Answer 12

Nikola Tesla

Question 13

Discovered X-Rays 11/8/1895, working on crookes tube.

Answer 13

Wilhelm Roentgen

Question 14

Anything that occupies space and mass

Answer 14

Matter

Question 15

Newtons Three Laws

1. Inertia
2. F=ma
3. Action/Reaction

Answer 15

1. Object at rest stays at rest unless acted upon by an unbalanced force.
2. Acceleration is produced when a force acts on a mass.
3. Every action has an equal and opposite re-action.

Question 16

Law Of Conservation

Answer 16

Energy is neither created or destroyed- reproduced in different forms.

Question 17

Three main units

Answer 17

Length, mass, and time.

Question 18

Amount of protons, also number of electrons is the “Z” number.

Answer 18

Atomic number

Question 19

Total mass of neutron, proton and electrons (AMU)

Answer 19

Atomic Mass

Question 20

Quarks inside the nucleus are held together by a nucleus binding energy called

Answer 20

Gluons

Question 21

An atom is considered neutral when there are equal number of _______ and _______ (net charge = 0)

Answer 21

Protons and Neutrons

Question 22

Neutrons have

Answer 22

No charge or emisson

Question 23

Max number of electrons in each shell (K,L,M,N,O,P,Q) =

Answer 23

2n^2

Question 24

Electrons closest to the nucleus have the highest

Answer 24

Binding Energy

Question 25

Requires an energy equivalent or higher to remove it from a particular shell

Answer 25

Electron Binding Energy

Question 26

Chemical bond formed by two oppositely charged ions.. "Exchange"

Answer 26

Ionic

Question 27

Electron missing.. Cation..

Answer 27

Positive charge

Question 28

Gains an electron.. Anion..

Answer 28

Negative charge

Question 29

What is the standard international measurement of energy?

Answer 29

Joule

Question 30

Force necessary to provide a mass of one kilogram with an acceleration of one meter per second.

Answer 30

Newton

Question 31

Have No Mass Have different energy in waves as electric and magnetic disturbances All travel at the speed of light (3x10^8 m/sec) in a vaccum (Velocity) Originate with the atom Electrically charged moving particle generates a magnetic field.

Answer 31

Electromagnetic Energy

Question 32

Speed of light (Velocity)

Answer 32

186,400 miles/s 300,000 kilometers/s (3x10^5) 300,000,000 meters/s (3x10^8)

Question 33

Vary only in wavelength and frequency

Answer 33

Electromagnetic Radiation

Question 34

(Measured in hertz) number of times a wave passes through a point in 1 second.

Answer 34

Frequency

Question 35

Measurement from peak to peak of sinusoidal curve designated by the Greek letter lambda.

Answer 35

Wavelength

Question 36

Displacement from x axis on a graph (+/-)

Answer 36

Amplitude

Question 37

Frequency and wavelength are inversely proportional.. higher (f) ______ (w) = higher energy lower (f) _______ (w) = lower energy

Answer 37

Shorter, Longer

Question 38

What is the wavelength formula?

Answer 38

Speed of light= Frequency x Wavelength (C=f x ¥)

Question 39

The __________ of an X-ray is between 10^-8 and 10^-11 meters/sec

Answer 39

Wavelength

Question 40

_______s are packets of pure energy with no mass that have frequency and wavelength.

Answer 40

Photons

Question 41

X-rays are electrically _________.

Answer 41

Neutral

Question 42

Gamma rays originate from the _________. X-Rays originate from the ________ shell.

Answer 42

Nucleus, Electron

Question 43

X-Rays are _________.

Answer 43

Invisible