Optics Question 798
A ray of light is incident at the air-glass-water interface at an angle i, it emerges finally parallel to the surface of water, then the value of would be
Options:
A) $ ( 4/3 )sini $
B) $ 1/sini $
4/3
D) $1$
Show Answer
Answer:
Correct Answer: B
Solution:
$ \mu g\sin i={\mu _{air}}\sin 90{}^\circ \Rightarrow {\mu _{g}}=\frac{1}{\sin i} $
BETA
