Em Waves Question 94

Question: A new system of unit is evolved in which the values of $ {\mu _{0}} $ and $ {\in _{0}} $ are 2 and 8 respectively. Then the speed of light in this system will be

Options:

A) $ 0.25 $

B) $ 0.5 $

C) $ 0.75 $

D) $ 1 $

Show Answer

Answer:

Correct Answer: A

Solution:

[a] The speed of light $ C=\frac{1}{\sqrt{{\mu _{0}}{\varepsilon _{0}}}}=\frac{1}{\sqrt{2\times 8}}=\frac{1}{4}=0.25 $