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NEET
Exam
NEET
Subject
Physics
Chapter
Dual Nature of Matter

NEET · Physics · Dual Nature of Matter

What is the energy of each photon in the light beam produced by a...

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

Correct answer

C. 3.14 × 10–19J

Step-by-step solution

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