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Photons with energy 5 eV are incident on...

Photons with energy `5 eV` are incident on a cathode `C` in a photoelectric cell . The maximum energy of emitted photoelectrons is `2 eV`. When photons of energy `6 eV` are incident on `C` , no photoelectrons will reach the anode `A` , if the stopping potential of `A` relative to `C` is

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Photons with energy 5eV are incident on cathode C in a photoelectric cell. The maximum energy of emitted photoelectrons is 2eV . When photons of energy 6eV are incident on C, no photoelectrons will reach anode A, if the stopping potential (in volt) of A relative to C is (only magnitude)

The maximum kinetic energy of a photoelectron is 3 eV. What is its stopping potential ?

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  • Photons with energy 5 e V are incident on a cathode C in a photoelectric cell. The maximum energy of emitted photoelectrons is 2 eV. When phtotons of energy 6 eV are incident on C, no photoelectrons will reach the anode A, if the stopping potential of A relative to C is:

    A
    `- 1 V`
    B
    `- 3 V`
    C
    `c, + 3V`
    D
    `+ 4 V`

  • Photons of energy 5 eV and incident on a cathode made of a photosensitive plate. The maximum kinetic energy of emitted photoelectrons is 3 eV . When photons of energy 8 eV fall on the same metal plate , the stopping potential of anode plate will be

    A
    `-7V`
    B
    `-6V`
    C
    3 V
    D
    `-3V`

  • Photons of energy 6 eV are incident on a metal surface whose work function is 4 eV . The minimum kinetic energy of the emitted photo - electrons will be

    A
    `0 eV`
    B
    `1 eV`
    C
    `2 eV`
    D
    `10 eV`

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    Light of wavelength 4000 Å is incident on a metal surface. The maximum kinetic energy of emitted photoelectron is 2 eV. What is the work function of the metal surface ?

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