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 $