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Determine the energy of 1 mole photons o...

Determine the energy of 1 mole photons of radiations whose frequency is `5xx10^(10)s^(-1)" "(h=6.62xx10^(-34)J-s)`.

Text Solution

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Energy of one photon (E) `=hv=(6.626 xx 10^(-34)Js) xx (5xx 10^(10)s^(-1))`
`=33.1 xx 10^(-24)J`
Energy of one mole photons =`"Energy of one photon" xx "Avogardro's no. of photons"`
`=(33.1 xx10^(-24)J)xx (6.022 xx 10^(23))=19.93J`.
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