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the number of photons falling per second on a completely darkened plate to produce a force equal to 6.62X10^-5 is n If the wavelength of the light falling is 500nm,then find n

the number of photons falling per second on a completely darkened plate to produce a force equal to 6.62X10^-5 is n
If the wavelength of the light falling is 500nm,then find n

Grade:11

1 Answers

Varon
510 Points
3 years ago
Hi Ekanath,

you know that no of photons ejected per second is ie n=P/E
and also you know E=hv/lambda
so n=\lambdaP/hv
substituting and solving we get answer as 5
THANK YOU

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