What would be the angle in water $($n$=1\mathrm{.}33)$ if light enters from air at $20?$

Question $28$ options:

$27\mathrm{.}1$

$10\mathrm{.}3$

$19\mathrm{.}4$

$14\mathrm{.}9$

$16\mathrm{.}8$

$22\mathrm{.}6$