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Find condition for TIR at surface 2....


Find condition for `TIR` at surface `2`.

A

`theta lt sin^(-1).(mu_(1))/(mu_(2))`

B

`theta gt sin^(-1) sqrt((mu_(2)^(2))/(mu_(1)^(2))-1)`

C

`theta lt sin^(-1) sqrt((mu_(2)^(2))/(mu_(1)^(2))-1)`

D

`theta gt sin^(-1).(mu_(1))/(mu_(2))`

Text Solution

Verified by Experts

The correct Answer is:
B
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