If the metal has threshold frequency of `5 xx 10^14 Hz` the find out the work function of metal.

Find the frequency of light which ejects electrons from a metal surface. Fully stopped by a retarding potential of 3 V , the photoelectric effect begins in this metal at a frequency of 6xx10^(14)Hz . Find the work function for this metal. (Given h=6.63xx10^(-34)Js ).

The threshold frequency of a material is 2xx10^14 Hz. What is its work function in eV ?

Find the frequency of light which ejects electrons from a metal surface , fully stopped by a retarding potential of 3.3 V. If photo electric emission begins in metal at a frequency of 8xx10^(14)Hz , calculate the work function (in eV) for this metal.

If a photoemissive surface has a threshold frequency of 3 xx 10^(14) Hz, calculate the energy of the photons in eV.

In the study of a photoelectric effect the graph between the stopping potential V and frequency v of the incident radiation on two different metals P and Q is shown in fig. (i) which one of two metals have higher threshold frequency (ii) Determine the work function of the metal which has greater value (iii) Find the maximum kinetic energy of electron emitted by light of frequency 8xx10^(14) Hz for this metal.

Determine the de Broglie 's wavelenght of electron emitted by a metal whose threshold frequency is 2.25xx10^(14)Hz when exposed to visible radiation of wavelenght 500nm.

A photon of energy 8 eV is incident on a metal surface of threshold frequency 1.6 xx 10^(15) Hz , then the maximum kinetic energy of photoelectrons emitted is ( h = 6.6 xx 10^(-34) Js)

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]