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Derive Einstein's equation of photoelect...

Derive Einstein's equation of photoelectric effect

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State Einstein's equation of photoelectric effect and explain the characteristics of the effect on the basis of the equation

In 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
    electrons are emitted from the metals when light rays (radiations) are reflected from it.
    B
    light of longer wavelength is more effective than light of shorter wavelength.
    C
    light of shorter wavelength is more effective than light of longer wavelength.
    D
    light is not used.

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