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The velocities of light in two different...

The velocities of light in two different media are 2*`10^8`m/s and 2.5 * `10^8`m/s respectively.The critical angle for these media is sin^(-1)((1)/(5)) sin^(-1)((4)/(5))

A

`Sin^(-1)(1/5)`

B

`Sin^(-1)(4/5)`

C

`Sin^(-1)(1/2)`

D

`Sin^(-1)(1/4)`

Text Solution

Verified by Experts

The correct Answer is:
B
`""_(r)mu_(d)=1/(sintheta_(c))=C_(r)/C_(d)`
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