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A diver at a depth of 12 m in water (mu=...

A diver at a depth of 12 m in water `(mu=4 //3)` sees the sky in a cone of semi-vertical angle

A

`sin^(-1)((4)/(3))`

B

`tan^(-1)((4)/(3))`

C

`sin^(-1)((3)/(4))`

D

`90^(@)`

Text Solution

Verified by Experts

The correct Answer is:
C
Semivertical angle,

`C=sin^(-1)((1)/(mu))=sin^(-1)((3)/(4))`
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