Two separate monochromatic light beams A and B of same intensity are falling on a unit area of metallic surface. Their wavelength are lambdaA and lambdaB respectively. Assuming that all incident light is used in ejecting photoelectrons, the ratio of number of photoelectrons from beam A to that from B is
a) (lambdaA/lambdaB)2
b) lambdaA/ lambdaB
c) lambdaB/lambdaA
d) 1
