A metal surface is exposed to 500 nm radiation. The threshold frequency of the metal for photoelectric current is `4.3 xx 10^(14) `Hz. The velocity of ejected electron is ____ `xx 10^5 ms^(-1)`. (Nearest integer)

The light radiation of wavelength 6000 Å falls on a metal . The threshold frequency of a metal surface is 4 xx 10^(14) Hz . The maximum velocity of the emitted photoelectrons is

The minimum frequency for photoelectric effect on a metal is 7xx10^(14) Hz, Find the work function of the metal.

The threshold frequency for a photosensitive metal is 3xx10^(14)Hz . The work function of the metal is approximately equal to [h=6.66xx10^(-34)Js]

The threshold frequency v_(0) for a metal is 8 xx 10^(14) s^(-1) . What is the kinetic energy of an electron emitted having frequency v=1.0 xx 10^(15) s^(-1)

In photoelectric effect, the energy of the photon striking a metallic surface is 5.6 xx 10^(-19)J . The kinetic energy of the ejected electrons is 12.0 xx 10^(-20)J . The work function is:

Radiation of frequency v=9v_(0) is incident on a metal surface, having threshold frequency v_(0) . The maximum velocity of the ejected photoelectrons is 6xx10^(6)m//s . What will be the maximum velocity of the ejected photoelectrons , if v is reduced to 3v_(0) ?

If the radiation is incident on the metallic surface of work function 1. 32 xx 10^(-12) J . The threshold frequency should be

What is the photoelectric work function for a metal if the threshold wavelength for the metal is 3.315 xx 10^(-7) m ?