Home
Class 12
PHYSICS
A photocell employs photoelectric effect...

A photocell employs photoelectric effect to convert.

A

Change in the frequency of light into a change in electric voltage

B

Change in the intensity of illumination into a change in photoelectric current

C

Change in the intensity of illumination tio a change in the work function of the photocathode

D

Change in the frequency of light into a change in the electric current

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ALTERNATING CURRENT

    AAKASH INSTITUTE ENGLISH|Exercise Try Yourself|15 Videos

  • ALTERNATING CURRENT

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (Section - A) ( Objective Type Questions ( One option is correct))|40 Videos

  • ATOMS

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT SECTION J (Aakash Challengers )|5 Videos

Similar Questions

Explore conceptually related problems

By photoelectric effect, Einstein, proved

Photoelectric effect is the maximum in

In a photoelectric effect, electrons are emitted

Define the term 'stopping potential' in relation to photoelectric effect.

The photo electric threshold wavelength for a metal is 2750A^(@) , The minimum energy of a photon that can produce photoelectric effect in the metal is

When ultraviolet rays incident on metal plate then photoelectric effect does not occur, it occurs by incidence of : -

lambda_(1) and lambda_(2) are used to illuminated the slits. beta_(1) and beta_(2) are the corresponding fringe widths. The wavelength lambda_(1) can produce photoelectric effect when incident on a metal But the wavelength lambda_(2) cannot produce photoelectric effect. The correct relation between beta_(1) and beta_(2) is

The Phenomena of photoelectric effect and Compton effect will conform

Wave nature of light cannot explain photoelectric effect because in photoelectric effect , it is seen that

A vacuum photocell consists of a central cathode and an anode. The internal surface is silver of work function 4.5 eV. The contact potential difference between the electrodes equals to 0.6 V. The photocell is illuminated by light of wavelength 2.3xx10^-7 m. a. What retrading potential difference should be applied between electrodes of the photocell for the photocurrent to drop to zero? b. If a retarding potential of 1V is applied between electrodes at what limiting wavelength lamda of light incident on the cathode will on the cathode will the photoelectric effect begin?