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[" 11) The number of photons of waveleng...

[" 11) The number of photons of wavelength of "540nm" emitted per "],[" second by an electric bulb of power "100W" is (given "h=6times10^(-34)J" s) "],[" a) "100],[" b) "1000],[" c) "3times10^(20)],[" d) "3times10^(18)]

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The number of photons of wavelength 540 nm emitted per second by an electric bulb of power 100 W is (taking h = 6 xx 10^(-34) sec )

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