A) \[\theta >{{\cos }^{-1}}\left[ \mu \sin \left( A+{{\sin }^{-1}}\left( \frac{1}{\mu } \right) \right) \right]\]
B) \[\theta <{{\cos }^{-1}}\left[ \mu \sin \left( A+{{\sin }^{-1}}\left( \frac{1}{\mu } \right) \right) \right]\]
C) \[\theta >{{\sin }^{-1}}\left[ \mu \sin \left( A-{{\sin }^{-1}}\left( \frac{1}{\mu } \right) \right) \right]\]
D) \[\theta <{{\sin }^{-1}}\left [ \mu \sin \left( A-{{\sin }^{-1}}\left( \frac{1}{\mu } \right) \right) \right]\]
Correct Answer: C
Solution :
[c] : According to Snell?s law\[\sin \theta =\mu \sin {{r}_{1}}\] or\[{{r}_{1}}={{\sin }^{-1}}\left( \frac{\sin \theta }{\mu } \right)\]You need to login to perform this action.
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