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The speed of light in media M1 and M2 ar...

The speed of light in media `M_1` and `M_2` are `1.5 xx 10^8 m//s and 2.0 xx 10^8 m//s` respectively. A ray of light enters from medium `M_1` to `M_2` at an incidence angle `i`. If the ray suffers total internal reflection, the value of `i` is.

A

Equal to or less than `sin^(-1)((3)/(5))`

B

Equal to or greater than `sin^(-1)((3)/(4))`

C

less than `sin^(-1)((2)/(3))`

D

Equal to `sin^(-1)((2)/(3))`

Text Solution

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The correct Answer is:
B
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