Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Electromagnetic Waves

Question:

Dimensions of $\frac{1}{\mu_0ε_0}$ where symbols have their usual meanings, are

Options:

[L−1T]

[L−2T2]

[L2T−2]

[LT−1]

Correct Answer:

[L2T−2]

Explanation:

$ c = \frac{1}{\sqrt{\mu_0ε_0}}\, or\, \frac{1}{\mu_0ε_0}= c^2$

$ = [M^0LT^{-1}]^2=[M^0L^2T^{-2}]$