Question 49 of 227

The figure shows a plot of photo current versus anode potential for a photo sensitive surface for three difference radiations. Which one of the following is a correct statement?

(a) Curves a and b represent incident radiations of different frequencies and different intensities

(b) Curves a and b represent incident radiations of same frequency but of different intensities 

(c) Curves b and c represent incident radiations of different frequencies and different intensities

(d) Curves b and c represent incident radiations of same frequency having same intensity