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Nitrogen laser produces a radiation at a...

Nitrogen laser produces a radiation at a wavelength of `337.1nm`. If the number of photons emitted is `5.6 xx 10^(24)`. Calculate the energy of this laser

A

`3.33 xx 10^(6)` J

B

`3.33 xx 10^(5)` J

C

`1.56 xx 10^(6)` J

D

`15.6 xx 10^(8)` J

Text Solution

Verified by Experts

The correct Answer is:
A
`E = (Nhc)/(lambda)`
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Knowledge Check

  • A substance absorbs electromagnetic radiations of wavelength 12.3 nm and then emits another electromagnetic radiations of wavelength 24.6 nm . If ratio of number of photons absorbed to number of photons emitted is 2:1 then ratio of energy absorbed to energy emitted will be :

    A
    `2:1`
    B
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    C
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    `6.63xx10^(-19)J`
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    D
    `6.63xx10^(-17)J`

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