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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)=pi//6`

C

the value of `theta_(2)=pi//3`

D

the value of `k_(2)` is 1

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The correct Answer is:
B, C, D
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