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Grade 11Thermal Physics

the number of photons falling per second on a com

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
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8 Years agoGrade 11
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1 Answer

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Varon

8 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