Maximum kinetic energy of photoelectrons from a metal
surface is `K_0` when wavelngth of incident light is `lambda`. If wavelength is decreased
to `lambda|2`, the maximum kinetic energy of photoelectrons becomes
(a) `=2K_0` (b)`gt2K_0` (c ) `lt2K_0`

Maximum kinetic energy of a photoelectron is E when the wavelength of incident light is lambda . If energy becomes four times when wavelength is reduced to one thrid, then work function of the metal is

Maximum kinetic energy of a photoelectron is E when the wavelength of incident light is lambda . If energy becomes four times when wavelength is reduced to one thrid, then work function of the metal is

Maximum kinetic energy (E_k) of a photoelectron varies with the frequency (nu) of the incident radiation as

Maximum kinetic energy (E_(k)) of a photoelectron varies with the frequency (v) of the incident radiation as

Maximum kinetic energy (E_(k)) of a photoelectron varies with the frequency (v) of the incident radiation as

Maximum kinetic energy of photoelectrons emitted from a metal surface, when light of wavelength lambda is incident on it, is 1 eV. When a light of wavelength lambda/3 is incident on the surfaces, maximum kinetic energy becomes 4 times. The work function of the metal is

Maximum kinetic energy of photoelectrons emitted from a metal surface, when light of wavelength lambda is incident on it, is 1 eV. When a light of wavelength lambda/3 is incident on the surfaces, maximum kinetic energy becomes 4 times. The work function of the metal is

Kinetic energy of surface photoelectrons is x when frequency of incident radiation is v .If frequency of incident radiation is made 2v, the kinetic energy of surface photoelectron will be

In a photo-emissive cell, with exciting wavelength lambda_1 , the maximum kinetic energy of electron is K. If the exciting wavelength is changed to lambda_2 , the maximum kinetic energy of electron is 2K then