Q. The dimensions of Planck's constant are:

  • (A) [ML²T⁻¹]
  • (B) [MLT⁻²]
  • (C) [ML²T⁻²]
  • (D) [M⁰LT⁻¹]
✅ Correct Answer: (A) [ML²T⁻¹]
Explanation: Planck's constant h = Energy × Time = [ML²T⁻²] × [T] = [ML²T⁻¹].

Published by Tina Singh ⭐ 14.41K Points at 14-Jun-2026 08:40 am in Physics

Explanation by: Tina Singh
Planck's constant h = Energy × Time = [ML²T⁻²] × [T] = [ML²T⁻¹].

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