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NEETChemistryStructure of Atom

A 100 watt bulb emits monochromatic light of wavelength 400 nm. Calculate the number of photons emitted per second by the bulb.

Options

  1. A4.845×10 20 s -1
  2. B2.012×10 20 s -1
  3. C1.285×10 20 s -1
  4. D3.345×10 20 s -1

Correct answer

B. 2.012×10 20 s -1

Step-by-step solution

Correct Option is : (B) 2.012×10 20 s -1

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