An electromagnetic radiation of frequency `3 xx 10^(15)` cycles per second falls on a photo electric whose work function is 4.0eV. Find out the maximum velocity of the photo electrons emitted by the surface.

An electromagnetic radiation of frequency 3xx10^(15) cycles per second falls on a photo electric surface whose work functions is 4.0eV. Find out the maximum velocity of the photo electrons emitted by the surface.

Light of wavelength 500 nm falls on a metal whose work function is 1.9 eV. find the kinetic energy of the photo electrons emitted.

photon from n=2 to n=1 in hydrogen atom is made to fall on a metal surface with work function 1.2eV. the maximum velocity of photo electron emitted is nearly equal to

Light of wavelength 5000^(@)A falls on a sensitive plate with photo electric work function 1.9eV. The kinetic energy of the photo electrons emitted will be

Electrons from n = 2 to n= 1 in hydrogen atom is made to fall on a metal surface with work function 1.2ev. The maximum velocity of photo electrons emitted is nearly equal to

Electrons from n = 2 to n= 1 in hydrogen atom is made to fall on a metal surface with work function 1.2ev. The maximum velocity of photo electrons emitted is nearly equal to

Light of wavelength lambda = 400 nm is incident on a photosensitive metal whose work function is 2 eV. The maximum kinetic energy of photo electrons emitted will be

Light of wavelength 5000Å falls on a sensitive plate with photoelectric work function of 1.9 eV. The K.E. of the photo electron emitted will be