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NEETPhysicsDual Nature of Matter

What is the energy of each photon in the light beam produced by a helium-neon laser emitting monochromatic light with a wavelength of 632.8 nm and a power of 9.42 mW?

Options

  1. A1.58 × 10 –19 J
  2. B2.36 × 10 –19 J
  3. C3.14 × 10 –19 J
  4. D4.72 × 10 –19 J

Correct answer

C. 3.14 × 10 –19 J

Step-by-step solution

Correct Option is : (C) 3.14 × 10 –19 J

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