Home
Class 12
PHYSICS
The number of photoelectrons emitted for...

The number of photoelectrons emitted for light of a frequency `v` (higher than the threshold frequency `V_(0)`) is proportional to

A

`v - v_(0)`

B

threshold frequency `(v_(0))`

C

intensity of light

D

frequency of light `(v)`

Text Solution

Verified by Experts

The correct Answer is:
C
The number of photoelectrons emitted is directly proportional to the intensity of light.
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • DUAL NATURE OF RADIATION AND MATTER

    A2Z|Exercise AIIMS Questions|32 Videos

  • DUAL NATURE OF RADIATION AND MATTER

    A2Z|Exercise Assertion Reason|14 Videos

  • DUAL NATURE OF RADIATION AND MATTER

    A2Z|Exercise Section B - Assertion Reasoning|18 Videos

  • CURRENT ELECTRICITY

    A2Z|Exercise Section D - Chapter End Test|29 Videos

  • ELECTRIC CHARGE, FIELD & FLUX

    A2Z|Exercise Section D - Chapter End Test|29 Videos

Similar Questions

Explore conceptually related problems

Calcualte the maximum kinetic energy of photoelectrons emitted where as light of freqency 2 xx 10^(16)Hz is irradiated on a metal surface with threshold frequency (v_(0)) equal to 8.68 xx10^(15)Hz .

Calculate the maximum kinetic energy of photoelectrons emitted when a light of freqency 2xx10 ^(16) Hz is irradiated on a metal surface with threshold frequency (v_0) equal to 8.68 xx 10^(15) Hz.

Knowledge Check

  • The number of photoelectrons emitted for light of a frequency v (hiigher than the threshold frequency v_(0) ) is proportional to

    A
    `v-v_(0)`
    B
    threshold frequency `(v_(0))`.
    C
    intensity of light
    D
    frequency of light (v).

  • The number of photoelectrons emitted for the light of frequency v (higher than the threshold frequency v_(0) ) is proportional to

    A
    threshold frequency `(v_(0))`
    B
    intensity of light
    C
    frequency of light (v)
    D
    `v-v_(0)`

  • The number of photoelectrons emitted per unit time depends on (v gt v_(0))

    A
    threshold frequency
    B
    frequency of the incident radiation
    C
    intensity of the incident radiation
    D
    density of the metal irradiated

    • Similar Questions

    Explore conceptually related problems

    Photoelectric emission is observed from a surface for frequencies v_(1) and v_(2) of incident radiations (v_(1) gt v_(2)) . If the maximum kinetic energy of photoelectrons in the two cases are in the ratio of 2 : 1 then threshold frequency v_(0) is given by.

    The kinetic energy of electrons ejected by using light having frequency equal to threshold frequency (v_(0)) is:

    Photoelectric emission is observed from a metal surface with incident frequencies v_(1) and v_(2) where v_(1) gt v_(2) . If the kinetic energies of the photoelectrons emitted in the two cases are in the ratio 2 : 1 , then the threshold frequency v_(0) of the metal is

    The work functions of metals A and B are in the ratio 1 : 2 . If light of frequencies f and 2 f are incident on the surfaces of A and B respectively , the ratio of the maximum kinetic energy of photoelectrons emitted is ( f is greater than threshold frequency of A , 2f is greater than threshold frequency of B )

    Photoelectric emission is observed from a metallic surface for frequencies v_(1) and v_(2) of the incident light. If the maximum value of kinetic energies of the photoelectrons emitted in the two cases are in the ratio n:1 then the threshold frequency of the metallic surface is

    Home
    Profile