Home
Class 12
PHYSICS
Light of two different frequencies whose...

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

A

`1:2`

B

`1:5`

C

`1:1`

D

`1:4`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

Lights of two different frequencies whose photons have energies 1 and 2.5 eV, respectively, successively illuminate a metal whose work function is 0.5 eV. The ratio of the maximum speeds of the emitted electrons

Lights of two different frequencies whose photons have energies 1 eV and 2.5 eV respectively illuminate successively a metal surface whose work function is 0.7 eV. The ratio of the maximum speeds of the emitted electrons will have

Photons of energy 6 eV are incident on a metal surface whose work function is 4 eV . The minimum kinetic energy of the emitted photo - electrons will be

If the work function for a certain metal is 1.8eV: What is the maximum speed of the electron?

A metal surface is illuminated by the photons of energy 5 eV and 2.5 eV respectively. The ratio of their wavelengths is

The work function of caesium metal is 2.14 eV. When light of frequency 6 xx 10^14 Hz is incident on the metal surface, photoemission of electrons occurs. What is the maximum speed of the emmited photoelectrons ?

Determine the wavelength and frequency of a photon having energy of 3.2 eV

Radiations of two photons's energy, twice and five times the work function of metal are incident on the, metal surface successively. The ratio of maximum velocities of photoelectrons emitted in two cases is