Question

The maximum velocity of an electron emitted by light of wavelength ????
incident on the surface of a metal of work-function phi is
(a) ⎷2(hc + ????phi) (b) 2(hc + ????phi)
m???? m????
(c) ⎷2(hc - ????phi) (d) ⎷ 2(h???? - phi)
m???? m

Answer 1

Answer:

The maximum velocity of an electron emitted by light of wavelength

incident on the surface of a metal of work function

, is <br> Where h = Planck's constant , m = mass of electron and c = speed of light.