Question

how did albert einstein explain the photoelectric effect?

a. light is made of electricity.

b. light is made of electrons.

c. light is made of atoms.

d. light is made of photons.

Explanation:

To explain the photoelectric effect, Einstein proposed that light consists of discrete packets of energy called photons. Option A is incorrect as light is not made of electricity. Option B is wrong because light is not composed of electrons. Option C is incorrect since light is not made of atoms. Only option D aligns with Einstein's explanation of the photoelectric effect.

Answer:

D. Light is made of photons.