1.

(A): With increase of intensity of incident light, photoelectric current also increases. (R): If the intensity of incident radiation is increased, more number of photons strike the metal surface there by liberating more photoelectrons. Then photoelectric current increases.

Answer»

A and R are TRUE and R is the CORRECT explanation of A.
A and R are true and R is not the correct explanation of A.
A is true, R is false.
A is false, R is true.

ANSWER :A


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