Describe the photoelectric effect.
The photoelectric effect is a phenomenom which occurs when photons strike a metal causing electrons to be released from the metal atoms. This occurs because the photons transfer their energy to the electrons in the atom's causing them to get enough energy to escape their energy shells.
IW
Related Physics GCSE answers
All answers ▸What is the momentum of a 84 kg man running at 5 m/s?
Alice and Bob are sat on a seesaw. The seesaw is in static equilibrium. Alice weighs 500N and is sat 0.5m to the left of the pivot. If Bob weighs 800N, how far from the pivot on the right is he sat? What happens if Bob moves closer to the pivot?
What are Balanced Forces?
What is electrical current?