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Question:

The dimensions of (µ₀ε₀)^-1/2 are :

[LT1/2]

[L¹T]

[LT¹]

[L¹/²T¹/²]

Solution:

Since expression for speed of light c = 1/√µ₀ε₀, the given expression has the dimensions of velocity i.e. LT⁻¹. Hence, option B is correct.