Photoelectric effect (Not fully understood)

Question 1

Explain the basic concept of the photoelectric effect [3 mark]

Answer 1

1. Light comes in packets of energy. Photons.
2. Lights energy is based on its frequency.
3. Certain amount of energy is required to liberate electrons

Question 2

Recite formula to calculate energy of photons (incident light) [1 mark]

Answer 2

E_(photons) = E_(liberate) + KE_(electron)