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Find the effectiveness of a photon of en...

Find the effectiveness of a photon of energy 5 eV.

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The correct Answer is:
`1.2 xx 10^(16) Hz`
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Knowledge Check

  • Find frequency of a photon of energy 3.3 eV?

    A
    `8xx10^(14)Hz`
    B
    `8xx10^(12)Hz`
    C
    `8xx10^(10)Hz`
    D
    `8xx10^(16)Hz`

  • What is the wavelength of a photon of energy 1 eV?

    A
    `12.4xx10^(3) A`
    B
    `2.4xx10^(3) A`
    C
    `0.4xx10^(2) A`
    D
    `1000A`

  • In a photoelectric effect experiment , photons of energy 5 eV are incident on metal surface . They liberate electrons which are just stopped by an electrode at a potential of 3.5 V with respect to metal . The work function of the metal surface in eV is :

    A
    5
    B
    3.5
    C
    1.5
    D
    7

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    The approximate wavelength of a photon of energy 2.48 eV is

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    In a photoelectric effect experiment, photons of energy 5eV are incident on a metal surface They liberate photoelectron which are just stopped by an electrode at a potential of -3.5V with respect to the metal. The work fuction of the metal is

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