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Calculate the frequency of a photon of e...

Calculate the frequency of a photon of energy `6.5 xx 10^(-19)` J.

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Calculate the frequency of a photon whose energy is 3xx10^(-19) J, Also , find its momentum.

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Knowledge Check

  • Calculate the energy of a photon with momentum 3.3xx10^(-13)kg-ms^(-1) . (given, planck's constant to be 6.6xx10^(-34)J-s )

    A
    `7.3xx10^(4)J`
    B
    `9.9xx10^(-5)J`
    C
    `1.3xx10^(5)J`
    D
    `8.1xx10^(3)J`

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    Calculate the frequency & energy of a photon of wave length 4000A .

    If a photoemissive surface has a threshold frequency of . 6 xx 10^(14)Hz , calculate the energy of the photons in eV. Given h=6.6 xx 10^(-34)Js .

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    Calculate the effective mass of a photon with frequency of 6.2 xx 10^(14) Hz.

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