The number of photons per second on an average emitted by the sourc...

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The number of photons per second on an average emitted by the source of monochromatic light of wavelength 600
\( \mathrm{P} \) \( \mathrm{nm} \), when it delivers the power of \( 3.3 \times 10^{-3} \) watt will be:

W) \( \left(\mathrm{h}=6.6 \times 10^{-34} \mathrm{Js}\right) \)
(2021)
(a) \( 10^{17} \)
(b) \( 10^{16} \)
(c) \( 10^{15} \)
(d) \( 10^{18} \)
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