Home
Class 12
PHYSICS
Two photons, each of energy 2.5eV are si...

Two photons, each of energy 2.5eV are simultaneously incident on the metal surface. If the work function of the metal is 4.5eV then from the surface of the metal.

A

one electron will be emitted

B

two electrons will be emitted

C

more than two electrons will be emitted

D

not a single electron will be emitted

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Similar Questions

Explore conceptually related problems

Two radiations with photon energies 0.9 eV and 3.3 eV respectively are falling on a metallic surface successively. If the work function of the metal is 0.6 eV, then the ratio of maximum speeds of emitted electrons will be…………………

Two radiations with photon energies 0.9 eV and 3.3eV respectively are falling on a metallic surface successively. If the work function of the metal is 0.6 eV , then the ration of maximum speeds of emitted electrons will be

Work function of aluminium is 4.2 eV.If two photons, each of energy 2.5 eV, are incident on it surface, will the emission of electrons take place? Justify your answer.

What happens to the energy of the photon incidenting on metal surface?

A photon of energy 2 E is incident on a photosensitive surface of photoelectric work function E. The maximum K.E. of photoelectron emitted is

A light having wavelength 300 nm falls on a metal surface work function of metal is 2.54 eV. What is stopping potential ?

Light of two different frequencies whose photons have energies 1 eV and 2.5 eV respectively illuminate a metallic surface whose work function is 0.5 eV successively. Find the ratio of maximum speeds of emitted electrons.

The threshold wavelength for a metal surface whose photoelectric work function is 3.313eV is