A) 4/3
B) \[\sqrt{2}\]
C) 1.5
D) \[\sqrt{3}\]
Correct Answer: C
Solution :
Angle at both focus will be \[45{}^\circ \]. For TIR to take place,\[i\,\,>\,\,{{\theta }_{C}}\] or \[\sin i \,>\, sin\,\,{{\theta }_{C}}\] \[\therefore \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\frac{1}{\sqrt{2}}>\frac{1}{\mu }\] or \[\mu \, >\,\,\sqrt{2}\].You need to login to perform this action.
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