Practicing Success
Practicing Success
CUET Preparation Today
|
a b c d |
c |
$ \frac{1}{F} = (\mu -1) (\frac{1}{R} - \frac{1}{\infty}) = \frac{\mu -1}{R}$ $ \mu -1 = \frac{R}{F} = \frac{1}{3}$ $\Rightarrow \mu = \frac{4}{3}$ |
