The work function of a metal is `2.5eV`. The maximum kinetic energy of the photoelectrons emitted if a radiof wavelength `3000A^(0)` falls on it is `(h=6.63xx10^(-34)Js & c=3xx10^(8)m//s)`

A photo electric surface has work function 2eV. What is the maximum kinetic energy of the emitted photoelectrons ejected by light by wavelength 3000overset(@)A Given h=6.6xx10^(-34)J-S,e=1.6xx10^(-19)C . m_e=9g0^(-31)kg,C = 3xx10^8m//sec

A radiation of wave length 2500A^(0) is incident on a metal plate whose work function is 3.5eV . Then the potential required to stop the fastest photo electrons emitted by the surface is (h=6.63xx10^(-34)Js & c=3xx10^(8)m//s)

The work function of a metal is 3.3 xx10^(-19)J . The maximum wavelength of th e photons required to eject photoelectrons from the metal is (Take h=6.6xx10^(-34)Js )

The threshold wavelenght of silver is 3800 Å . Calculate the maximum kinetic energy in eV of photoelelctrons emitted, when ultraviolet light of wavelegth 2600 Å falls on it. ( Planck's constant, h=6*63xx10^(-34)"Js",. Velocity of light in air, c=3xx10^(8)m//s )

A photon of energy 8 eV is incident on metal surface of threshold frequency 1.6 xx 10^(15) Hz , The maximum kinetic energy of the photoelectrons emitted ( in eV ) (Take h = 6 xx 10^(-34) Js ).

A photon of energy 8 eV is incident on metal surface of threshold frequency 1.6 xx 10^(15) Hz , The maximum kinetic energy of the photoelectrons emitted ( in eV ) (Take h = 6 xx 10^(-34) Js ).

The electric field of certain radiation is given by the equation E = 200 {sin (4pi xx 10^10)t + sin(4pi xx 10^15)t} falls in a metal surface having work function 2.0 eV. The maximum kinetic energy (in eV) of the photoelectrons is [Plank's constant (h) = 6.63 xx 10^(-34)Js and electron charge e = 1.6 xx 10^(-19)C]

The electric field of certain radiation is given by the equation E = 200 {sin (4pi xx 10^10)t + sin(4pi xx 10^15)t} falls in a metal surface having work function 2.0 eV. The maximum kinetic energy 2.0 eV. The maximum kinetic energy (in eV) of the photoelectrons is [Plank's constant (h) = 6.63 xx 10^(-34)Js and electron charge e = 1.6 xx 10^(-19)C]

The work function for a certain metal is 4.2eV. Will this metal give photoelectric emission for incident radiation of wavelength 330nm? Given, charge on electron, e=1.6xx10^(-19)C, c=3xx10^(8)m//s, h=6.62xx10^(-34)Js .