A-Level Revision Practice Test
A-Level Revision - GCE Advanced Level A-Level A-Level Physics
What is the photoelectric effect and what does it prove?
Select your answer
A
Electrons orbit the nucleus in fixed energy levels
B
When light of sufficient frequency hits a metal surface, electrons are emitted, proving light behaves as particles (photons)
C
Electrons can be shared between atoms
D
Light always behaves as a wave
Hint
A-Level A-Level Physics Practice Questions 2026 April FREE