1 . নিচের কোনটি ∈0μ0 এর একক? (Which one below is unit of ∈0μ0)_

• A. $m^2{s}^{-2}$
• B. $m^{1/2}{s}^{-1/2}$
• C. $m^{-1}s$
• D. $m^{-2}{s}^2$

Answer: Option D

Explanation: