Light of wavelength `3 xx 10^(-7) `m is incident on a photosensitive surface . The stopping potential for emitted photoelectrons is 2.5 V . If the wavelength of incident light is reduced to `1.5 xx 10^(-7)` m , the stopping potential for emitted photoelectrons is

Options

A. equal to 5 V
B. less than 5 V
C. more than 5 V
D. between 2.5 V and 5 V

Answer

C