Light of frequency `v` is incident on a substance of threshold frequency `v(v lt v)`. The energy of the emitted photo-electron will be

A photon of frequency v is incident on a metal surface whose threshold frequency is v_(0) . The kinetic energy of the emitted photoelectrons will be

Light of frequency 4 v_(0) is incident on the metal of the threshold frequency v_(0) . The maximum kinetic energy of the emitted photoelectrons is

Light of frequency v falls on meterial of threshold frequency v_(0) . Maximum kinetic energy of emitted electron is proportional to

Light of frequency v is incident on a certain photoelectric substance with threshold frequency v . The work function for the substance is

Light of frequency .25 v_0 is incident on a metal surface of threshold frequency 2 v_0 . If its frequency is halved and intensity is made three times then find the new value of photoelectric current.

When photon of v frequency os incident on photo sensitive surface with V_(0) threshold frequency,maximum kinetic energy of photo-electron emitted will be….

The photoelectric threshold frequency of a metal is v. When light of frequency 4v is incident on the metal . The maximum kinetic energy of the emitted photoelectrons is