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

The graph between the energy of photoelectrons E and the wavelength of incident light (lamda ) is

The KE of the photoelectrons is E when the incident wavelength is (lamda)/(2) . The KE becomes 2E when the incident wavelength is (lamda)/(3) . The work function of the metal is

The KE of the photoelectrons is E when the incident wavelength is (lamda)/(2) . The KE becomes 2E when the incident wavelength is (lamda)/(3) . The work function of the metal is

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 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

If light of wavelength lambda_(1) is allowed to fall on a metal , then kinetic energy of photoelectrons emitted is E_(1) . If wavelength of light changes to lambda_(2) then kinetic energy of electrons changes to E_(2) . Then work function of the metal is

If light of wavelength lambda_(1) is allowed to fall on a metal , then kinetic energy of photoelectrons emitted is E_(1) . If wavelength of light changes to lambda_(2) then kinetic energy of electrons changes to E_(2) . Then work function of the metal is

The maximum kinetic energy of photoelectron is doubled when the wavelength of light incident on the photosensitive changes from lambda_1 to lambda_2 . Deduce expression for the threshold wavelength and work function for metals in terms of lambda_1 and lambda_2

The maximum kinetic energy of photoelectron is doubled when the wavelength of light incident on the photosensitive changes from lambda_1 to lambda_2 . Deduce expression for the threshold wavelength and work function for metals in terms of lambda_1 and lambda_2