Home
Class 12
PHYSICS
Work function of a photosensitive metal ...

Work function of a photosensitive metal is 3eV. The wavelength of incident radiations which can just eject photoelectrons from the metal is

A

600 nm

B

510 nm

C

414 nm

D

378 nm.

Text Solution

Verified by Experts

Promotional Banner

Similar Questions

Explore conceptually related problems

The work function of a metal is 3.3 xx 10^-19 J . The maximum wavelength of the photons required to eject electron from the metal is :

What is the threshold wavelength of a metal if the photoelectric work function of the metal is 5 eV?

A graph of stopping potential of a photo sensitive metal with the frequency of incident radiation is plotted. What does the slope of this curve represent?

Photons of energy 4 eV are incident on a metal. Maximum velocity of photo electrons emitted is v . When energy of incident radiations is decreased by 50%, velocity is halved, Work function of the metal is

Emission of electrons from a metal surface due to incident radiation is called

Answer the following questions: (d) Every metal has a definite work function. Why do all photoelectrons not come out with the same energy if incident radiation is monochromatic? Why is there an energy distribution of photoelectrons?

Define work function of a metal .