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The figure shows a ray incident a angle ...

The figure shows a ray incident a angle `i=pi//3` of the plot drawn shown the variartion of `|r-i|`versus`(mu_(1))/(mu_(2))`=k,`(r="angle of refraction")`

the value of`k_(1)`is

A

The value of `k_(1)` is `(2)/(sqrt(3))`

B

The value of `theta_(1)` is `pi//6`

C

The value of `theta_(2)` is `pi//3`

D

The value of `k_(0)` is 1

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