Home
Class 12
PHYSICS
Stopping potential for photoelectrons...

Stopping potential for photoelectrons

A

Does not depend on the frequency of the incident light

B

Does not depend upon the nature of the cathode material

C

Depends on both the frequency of the incident light and nature of the cathode material

D

Depends upon the intensity of the incident light

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ELECTRON, PHOTON, PHOTOELECTRIC EFFECT AND X-RAYS

    ERRORLESS |Exercise Cathode Rays and Positive Rays|11 Videos

  • ELECTRON, PHOTON, PHOTOELECTRIC EFFECT AND X-RAYS

    ERRORLESS |Exercise Photon and Photoelectric Effect|4 Videos

  • ELECTRO MAGNETIC INDUCTION

    ERRORLESS |Exercise SET|20 Videos

  • ELECTRONICS

    ERRORLESS |Exercise Selv Evaluation Test|23 Videos

Similar Questions

Explore conceptually related problems

The stopping potential for photoelectrons emitted from a surface illuminated by light of wavelength 400 mm is 500 mV. When the incident wavelength is changed to a new value, the stopping potential is found to be 800 mV. New wavelength is about-

The stopping potential for photoelectrons emitted from a surface illuminated by light wavelength of 5893A is 036 V . Calculate the maximum kinetic energy of photoelectrons, the work function of the surface, and the threshold frequency.

The stopping potential for photoelectrons from a metal surface is V_(1) when monochromatic light of frequency upsilon_(1) is incident on it. The stopping potential becomes V_(2) when monochromatic light of another frequency is incident on the same metal surface. If h be the Planck’s constant and e be the charge of an electron, then the frequency of light in the second case is:

Stopping potential for photo electrons

Light of frequency 10^(15) Hz falls on a metal surface of work function 2.5 eV. The stopping potential of photoelectrons in volts is

Stopping potential of emitted photo electron is V when monochromatic light of wavelength 'lamda' incident on a metal surface. If wavelength of light incident becomes 'lambda/3' stopping potential of photoelectrons becomes V/4 then the threshold wavelength of metal is k'lambda' then k will be

Statement I A metallic surface is irradiated by a monochromatic light of frequency v gt v_(0) ( the threhold frequency ). The maximum kinetic energy and the stopping potential are K_("max") and V_(0) respectively. If the frequency incident on the surface is doubled, both the K_("max") and V_(0) are also doubled. Statement II The maximum kinetic energy and the stopping potential of photoelectrons emitted from a surface are linearly dependent on the frequency of incident light.

Light of wavelength 488 nm is produced by an atom laser which is used in the photoelectric effect. When light from this spectral line is incident on the cathode, the stopping potential of photoelectrons is 0.38eV. Find the work function of the material from which the cathode is made. given , h=6.63xx10^(-34)Js, 1eV=1.6xx10^(-19)J .

At stopping potential, the photoelectrons have

The stopping potential for the photoelectrons , from a photocell , is proportional