A) 20%
B) 25%
C) 35%
D) 15%
Correct Answer: A
Solution :
\[{{l}^{'}}=\left( \frac{\mu }{\mu +1} \right)\,l=\left( \frac{0.25}{0.25+1} \right)\ l=\frac{l}{5}=20%\] of l.You need to login to perform this action.
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