Question
The number of photons per second on an average emitted by the source of monochromatic light of wavelength 600 nm, when it delivers the power of 3.3×10⁻³ watt will be : (h=6.6×10⁻³⁴ Js)
Options :
10¹⁸
10¹⁷
10¹⁶
10¹⁵
Answer :
10¹⁶
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