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calculate energy of one mole of photons of radiation whose frequency is `5xx10^(14) hz`

Text Solution

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Energy of one photon, `E = hv = (6.626 xx 10^(-34) Js) (5 xx 10^(14) s^(-1)) = 3.313 xx 10^(-19) J`
`:.` Energy of one mole of photons `= (3.313 xx 10^(-19)J) xx (6.022 xx 10^(23) mol^(-1)) = 19951 J mol^(-1)`
`= 19.951 kJ mol^(-1)`
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Knowledge Check

  • Enegry of one mole of photons of radiation whose frequency is 5xx10^(4)Hz is_____ kJ mol^(-1) .

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    `288.54`
    B
    `478. 56`
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  • energy of one mol of photons whose frequency is 5xx10^(14)Hz is approximately equal to :

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    D
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  • Energy of photon whose frequency is 10^(12) MHz , will be

    A
    `4.14 xx 10^(3) ke V`
    B
    `4.14 xx 10^(2) eV`
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