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 ▸In 5V circuit has two 2 Ohm resistors in parallel, what is the current passing through each resistor?
what is a half life of a substance and how can you work it out.
What is terminal velocity?
Describe one method by which the distance to stars from Earth is measured, and one modern improvement to this method which increases its accuracy.