A2 Physics - Quantum physics
Authored by Thao Phuong
Physics
12th Grade
Used 6+ times
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30 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the photoelectric effect?
The emission of electrons from the surface of a metal upon the absorption of electromagnetic radiation
The emission of protons from the surface of a metal upon the absorption of electromagnetic radiation
The emission of photons from the surface of a metal upon the absorption of electromagnetic radiation
The emission of neutrons from the surface of a metal upon the absorption of electromagnetic radiation
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What are photoelectrons?
Electrons emitted from the surface of a metal upon the absorption of electromagnetic radiation
Protons emitted from the surface of a metal upon the absorption of electromagnetic radiation
Photons emitted from the surface of a metal upon the absorption of electromagnetic radiation
Neutrons emitted from the surface of a metal upon the absorption of electromagnetic radiation
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What does the photoelectric effect provide evidence for?
Light is quantised, or carried in discrete packets
Light is continuous and has no discrete packets
Light is a wave and not a particle
Light is a particle and not a wave
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What determines whether a photoelectron is emitted?
The frequency of the light
The intensity of the light
The wavelength of the light
The speed of the light
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When an electron absorbs energy, it moves ________.
from a higher energy level to a lower energy level
from a lower energy level to a higher energy level
in a circle
toward the nucleus
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When an electron moves from a higher energy level to a lower energy level, it ____________.
it releases energy in the form of light
it absorbs energy in the form of light
it breaks in half
it releases a sonic boon
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A ground state electron is
freshly crushed into a fine powder.
in the highest possible energy level.
in the lowest possible energy level.
constantly emitting light.
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