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The power of a monochromatic light of fr...

The power of a monochromatic light of frequency `6 xx 10^(14) Hz " is " 2 xx 10^(-3)W`
On average, how many photons are emitted by the source? Given, `h = 6.63 xx 10^(-34)J.s`

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`5 xx 10^(5)` photons per second
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