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Question 5039
NEET Physics · Hard

Units & Measurements: Dimensions of Physical Quantities MCQ

Solve this quality-checked NEET multiple-choice question, then review the correct answer and explanation.

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Dimensions of Physical QuantitiesHardQuestion 5039

Question

The dimensions of (μ₀ε₀)⁻¹/² are the same as:
  1. A
    Velocity
    Correct
  2. B
    Acceleration
  3. C
    Force
  4. D
    Energy

Correct answer

Velocity

Explanation

1/√(μ₀ε₀) = c, the speed of light. So (μ₀ε₀)⁻¹/² has dimensions of velocity [LT⁻¹].

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