Verified Solution • 2025–26 Session moderate

QNEET-2021-Ph-634: NEET 2021 Physics - Class 12 NEET-2021-Ph-634 Solution: The number of photons per second on an average emitted by the…

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 3.3×10−33.3 \times 10^{-3} watt will be: (h = 6.6×10−346.6 \times 10^{-34} Js) 101510^{15} 101810^{18} 101710^{17} 101610^{16}

Multiple Choice Options

  • A 10 15
  • B 10 18
  • C 10 17
  • D 10 16

Step-by-Step Verified Solution

p = n h c _ _ n = p _ h c n = 3.3 _ 10 _ 3 _ 600 _ 10 _ 9 6.6 _ 10 _ 34 _ 3 _ 10 8 = 10 16

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