Consider the two following A and B and identify the correct choice given in the answers.
A In the photovoltaic cells the photoelectric current produced is not proportional to the intensity of incident light .
B In gas filled photoemissive cells ,the velocity of photoelectrons depends on the wavelength of the incident radiation.

Options

A. Both A and B are true
B. Both A and B are false
C. A is true but B is false
D. a is false but B is true

Answer

D

Explanation

(i) Statement A is false , because according to photoelectric effect photoelectric current is proportional to the intensity of incident light.
(ii) Statement B is true .