Q. The illuminating powers of two sources are compared by

  • (A) A spectrometer
  • (B) A photometer
  • (C) A polarimeter
  • (D) A fluxmeter
✅ Correct Answer: (B) A photometer
Explanation: The illuminating powers of two sources are compared by a photometer.

Published by Team MCQ Buddy ⭐ 29.09K Points at 13-Apr-2025 08:48 am in Physics

Explanation by: Team MCQ Buddy
The illuminating powers of two sources are compared by a photometer.

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