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Dual Nature of ...

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  • Question 1
    4 / -1

    The frequency and work function of an incident photon are v and ϕ0. If v0 is the threshold frequency then necessary condition for the emission of photo electron is

  • Question 2
    4 / -1

    If the wavelength of light is 4000 Å, then the number of waves in 1 mm length will be

  • Question 3
    4 / -1

    If the work function of a photometal is 6.825 eV. Its threshold wavelength will be (c = 3 × 108 m/s)

  • Question 4
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    A photon of energy 8 eV is incident on a metal surface of threshold frequency 1.6 × 1015 Hz, then the maximum kinetic energy of photoelectrons emitted is (h = 6.6 × 10–34Js)

  • Question 5
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    If the energy of the photon is increased by a factor of 4, then its momentum

  • Question 6
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    Photoelectric effect can be explained by

  • Question 7
    4 / -1

    The photoelectric effect can be understood on the basis of

  • Question 8
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    Which of one is correct ?

  • Question 9
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    If a source of power 4 kW produces 1020 photons/second, the radiation belongs to a part of the spectrum called

  • Question 10
    4 / -1

    In an experiment of photoelectric effect the stopping potential was measured to be V1 and V2 volts with incident light of wavelength λ and λ /2 respectively. The relation between V1 and V2 may be

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