MCQ
Dimensions of $\frac{1}{(\mu_0\in_0)}$ is:
  • A
    $\frac{\text{L}}{\text{T}}$
  • B
    $\frac{\text{T}}{\text{L}}$
  • C
    $\frac{\text{L}^2}{\text{T}^2}$
  • D
    $\frac{\text{T}^2}{\text{L}^2}$

Answer

  1. $\frac{\text{L}^2}{\text{T}^2}$

Explanation:

The speed of light, $\text{C}=\frac{1}{\sqrt{\mu_0\in_0}}$

The dimensions of $\frac{1}{\sqrt{\mu_0\in_0}}$ are of velocity, i.e., $\frac{\text{L}}{\text{T}}$

Therefore, $\frac{1}{\in_0\mu_0}$ will have dimensions $\frac{\text{L}^2}{\text{T}^2}$

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