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In photoelectric effect, the electrons a...

In photoelectric effect, the electrons are ejected from metals if the incident light has a certain minimum.

A

wavelength

B

frequency

C

amplitude

D

number of photons

Text Solution

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The correct Answer is:
B
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Knowledge Check

  • In photoelectric effect, the electrons are ejected from the metal surface, if the incident light has a certain maximum

    A
    Wavelength
    B
    Amplitude
    C
    Frequency
    D
    Angle of incidence
  • In photoelectric effect, emitted electrons are

    A
    those which are moving in a shell near to the nucleus
    B
    those which are present in the nucleus
    C
    those which are moving freely in the inter atomic distance
    D
    those which are produced from neutron disintegration
  • In a photoelectric effect, electrons are emitted

    A
    with a maximum velocity proportional to the frequency of the incident radiation
    B
    at a rate that is independent of the intensity of the incident radiation
    C
    only if the frequency of the incident radiation is above a certain threshold value
    D
    only if the temperature of the emitter is high
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