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In photoelectric effect, stopping potent...

In photoelectric effect, stopping potential depends on

A

frequency of the incident light

B

intensity of the incident light by varies source distance

C

emitter's properties

D

frequency and intensity of the incident light.

Text Solution

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The correct Answer is:
A,C
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Knowledge Check

  • In a photoelectric experiment, if stopping potential is applied, then photocurrent becomes zero. This means that:

    A
    the emission of photoelectrons is stopped
    B
    the photoelectrons are emitted but are reabsorbed by the emitter metal
    C
    the photoelectrons are accumulated near the collector plate
    D
    the photoelectrons are dispersed from the sides of the apparatus.

  • In a photoelectric experiment the stopping potential for the incident light of wavelength 4000Å is 2 volt. If the wavelength be changed to 3000 Å, the stopping potential will be

    A
    2V
    B
    zero
    C
    less than 2 V
    D
    more than 2 V

  • In photoelectric effect experiment, the stopping potential for incident light of wavelength 4000 Å, is 3V. If the wavelength is changed to 2500 Å, the stopping potential will be

    A
    3 V
    B
    more than 3 V
    C
    less than 3 V
    D
    Zero volt

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