37 DOL

Quiz
•
Physics
•
9th Grade
•
Hard
Ravi-Persad Sawh
FREE Resource
30 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Planck's constant
Speed of light
Wavelength
Frequency
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When an electron in an atom absorbs energy, what process occurs?
Electron excitation
Electron emission
Photon absorption
Photon reflection
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when an excited electron returns to a lower energy level?
It emits a photon of light
It absorbs a photon
It loses a proton
It gains mass
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following best describes the process of light emission in atoms?
Electrons move to higher energy levels and emit light
Electrons move to lower energy levels and emit light
Protons move to higher energy levels and emit light
Neutrons move to lower energy levels and emit light
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the unit of frequency?
Hertz (Hz)
Joule (J)
Meter (m)
Newton (N)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the unit of wavelength?
Meter (m)
Second (s)
Joule (J)
Watt (W)
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