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With the help of circuit diagram describe the experiment to study the characteristics of photoelectric effect,. Hence discuss any 2 characteristics of photoelectric effect

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With the help of a circuit diagram, describe the experiment to study the characteristics of photoelectric effect.

State the characteristics of photoelectric effect

Knowledge Check

  • In photoelectric effect,

    A
    the emission of electron is the result of elastic collision between the incident photon and the electron.
    B
    absorption of photon is a gradual process.
    C
    the emission of electron is a result of inelastic collision between the photon and the electron.
    D
    at the threshold frequency, the kinetic energy of ejected electrons is maximum.

  • In photoelectric effect,

    A
    In photoelectric current is directly proportional to the intensity of incident light.
    B
    `K.E._(max)` of ejected electrons is dependent on intensity of radiations.
    C
    there is no time lag between the incidence of photons and ejection of electrons
    D
    All of these are correct.

  • In photoelectric effect

    A
    photons come out of a metal when it is hit by a beam of electrons
    B
    photons come out of the nucleus of an atom under the action of an electric field
    C
    electrons come out of a metal with a constant velocity which depends on the frequency and intensity of incident radiation
    D
    electrons come out of a metal with different velocities nor greater than a certain value which depends only on the frequency of the incident light and not on its intensity

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    With the help of circuit diagram describe an experiment to study photoelectric effect.

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