Review Game Zone
Flash Cards
(current)
Games
Teachers
Search
Test
Test Description: Test
Instructions: Answer all questions to get your test result.
1) A beam of light is directed onto a sheet of metal, but electrons are not ejected from the metal. Increasing which of the following could possibly cause the metal to begin to eject electrons?
A
Speed
B
Wavelength
C
Intensity
D
Frequency
2) As a photon strikes a piece of metal, the kinetic energy of an ejected electron is determined by -
A
the number of absorbed photons.
B
the frequency of the absorbed photon.
C
the path taken by the escaped electron.
D
the mass of the escaped electron.
3) The deBroglie wavelength theory equation....
A
Not even real
B
is used to calculate wavelength of matter, λ = h/p or λ = h/mv
C
E=mc^2
D
is used to calculate the energy of a Photon E = hf
4) In some situations, when a beam of light is directed at a metal surface, an electron is emitted. This happens because the photons in the light -
A
are destroyed on impact, generating electrons which escape.
B
transfer their energy to an electron, helping the electron escape.
C
are transformed into electrons with enough energy to escape.
D
combine with metal atoms to create electrons, which escape
5) Which of the following behaviors of light provides evidence for its wave nature?
A
Light striking a flat surface at an angle is reflected at the same angle.
B
Two beams of light that meet can create interference with each other.
C
Light will travel indefinitely in a straight line until it strikes an object.
D
The amount of energy in a beam of light can be measured and calculated.
6) A ___________________________ is a discrete unit (quantum) of light energy.
A
work
B
photon
C
Planck
D
wavelength
7) If radiation has a frequency of 3.0 X 10^15 Hz and it strikes a material, what is the energy of each incident photon (Planck’s constant is 6.6 X 10^-34)?
A
1.23 x 10^23
B
1.98 x 10-18
C
5.6 x 10^6
D
7.3 x 10^-7
8) If the frequency of light is 5.34 X 10^14 Hz, calculate the energy of the photon (Planck’s constant is 6.6 X 10^-34).
A
3.56 x 10^-7
B
1.98 x 10^-18
C
1.23 x 10^23
D
3.5244 x 10^-19
9) What is the Value of Planck's constant?
A
6.63 x 10^-34 Js
B
6.67 x 10^-11 Js
C
6.67 x 10^-19 Js
D
1.6 x 10^-19 Js
10) What is E = hf ?
A
De Broglie wavelength formula
B
Formula for frequency and the speed of light
C
Wavelength and frequency
D
Einsteins formula for the energy of a photon
11) Charge of an UP quark?
A
2/3
B
1/3
C
-2/3
D
-1/3
12) What distance is an angstrom?
A
10^-20 m
B
10^-15m
C
10^-5 m
D
10^-10 m
13) What distance is a femtometre?
A
10^-15 m
B
10^-10 m
C
10^-20 m
D
10^-5 m
14) What is the speed of light?
A
c = 3.00 x 10^8 nm/s
B
c = 3.00 x 10^9 nm/s
C
c = 3.00 x 10^8 m/s
D
c = 3.00 x 10^18 m/s
15) Whats the charge of a down Quark?
A
-1/3
B
-2/3
C
2/3
D
1/3
16) E =
A
hf
B
hc
C
fλ
D
mp
17) Physicist Thomas Young created the __________ to demonstrate the wave like properties of light.
A
Double-Slit Experiment
B
Shadow Box Experiment
C
Wave-Pool Experiment
D
Cat in the Box Experiment
18) What is the unit of measurement for Planck's constant
A
Joules
B
Coulombs
C
Joule seconds
D
Joules per second
19) What is the unit of measurement for Electromagnetic Charge?
A
Joule Seconds
B
Hz
C
Coulombs
D
Joules
20) What is an electron orbital?
A
3-D shapes defining 90% probability region where electrons may be at any given energy state
B
There's no such thing
C
The shape in which an electron perfectly orbits a nucleus
D
The work function of a quark
*select an answer for all questions
Check Results & Get Answers
Play Games with the Questions Above
Teachers: Create FREE classroom games with your questions
Click for more info!
©2007-2024
ReviewGameZone.com
|
About
|
Privacy
|
Contact
|
Terms
|
Site Map
WAIT! Find what you needed?
×
Still Looking for the Answers?
Have Another Question?
Play a Review Game with These Questions?
Want to Make Your Own Test Like This One?