The maximum velcities of the photoelectrons ejected are v and 2v for incident light of wavelength 400nm and 250nm on a metal surface respectively. Calculate the work function of the metal. Given `h=6.62xx10^(-34)Js and c=3xx10^(8) ms^(-1)`

The maximum velocities of the photoelectrons ejected are v and 2v for incident light of wavelength 400 nm and 250 nm on a metal surface respectively. Calculate the work function of the metal. Given h = 6.63 xx 10^(-34)J.s and c = 3 xx 10^(8) m.s^(-1)

The maximum velocities of the photoelectrons ejected are v and 2v for the incident light of wavelength 400 nm and 250 nm on a metal surface respectively. The work function of the metal in terms of Planck's constant h and velocity of light c is

Calculate the kinetic energy of photoelectrons in eV emitted on shining light of wavelength 6.2xx10^(-8)m on a metal surface. The work fuction of metal is 0.1eV. Given: h = 6.6xx10^(-34) J.s .

A metal has a thresold wavelength of 6000 overset@A Calculte:Thresold frequency Calculate Work function of metal (given: h=6.62 xx 10^(-34)Js,e =1.6 xx 10^(-19)C)

Light of wavelength 500 nm is incident on a metal with work functin 2.28 eV.The de-Broglie wavelength of the emitted electron is :[ h=6.6xx10^(-34Js) and c=3xx10^(8)m//s ]

Metal surface emits photoelectrons when light of wavelength 400 nm is incident on it. Calculate the work function of the metal if stopping potential is 0.5 V.

Photoelectrons of threshold wavelength350 nm are emited by u.v light of 250 nm wavelength, from a metal surface. Calculate the kinetic energy of the emitted electrons.