Assertion : Photoelectric effect is the phenomenon of emission of photon by metal when illuminated by light of suitable frequency.
Reason : An electron beam carries sufficient energy to release photons from the metal.
A. If both assertion and reason are true and reason is the correct explanation of assertion.
B. If both assertion and reason are true but reason is not the correct explanation of assertion.
C. If assertion is true but reason is false.
D. If both assertion and reason are false.