Photoelectric effect supports quantum nature of light because:

Select all that apply

• Option A

  there is minimum frequency of light below which no photoelectrons are emitted.

• Option B

  the maximum kinetic energy of photo-electrons depends only on the frequency of light and not on its intensity.

• Option C

  even when the metal surface is faintly illuminated, the photoelectrons leave the surface immediately.

• Option D

  electric charge of photo-electrons is quantized.