Answer to Question #245832 in Optics for Ahmad

Question

as a fish floats on a surface of water its angle of vision is alpha , as it dives into water it becomes beta..... compare the two angles

Answer 1

$\frac{\sin\alpha}{\sin\beta}=\frac{n_2}{n_1}=n>1,\implies$

$\sin\alpha>\sin\beta,\implies$

$\alpha>\beta.$