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Dual Nature of Radiation and Matter Test - 52

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Dual Nature of Radiation and Matter Test - 52
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  • Question 1
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    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
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    If the wavelength of light is 4000 Å, then the number of waves in 1 mm length will be
    Solution

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

  • 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)
    Solution

  • Question 5
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    If the energy of the photon is increased by a factor of 4, then its momentum
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  • Question 6
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    Photoelectric effect can be explained by
  • Question 7
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    The photoelectric effect can be understood on the basis of
  • Question 8
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    Which of one is correct ?
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  • 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
    Solution

  • 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
    Solution

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