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Figure shows a ray of light travels from...

Figure shows a ray of light travels from medium 1 to medium 2. If reflective index of medium 1 with respect to medium 2 is `(sqrt2)/(sqrt3)`, then the value of angle x is

A

`30^(@)`

B

`60^(@)`

C

`15^(@)`

D

`45^(@)`

Text Solution

Verified by Experts

The correct Answer is:
B
According to Snell.s law
`n_(1) sin x = n_(2) sin 45^(@)`
`(n_(1))/(n_(2)) sin x = (1)/(sqrt(2))`
`therefore (sqrt(2))/(sqrt(3)) sin x = (1)/(sqrt(2))`
`sin x = (sqrt(3))/(sqrt2 xx sqrt2)`
`sin x = (sqrt3)/(2) rArr x = 60^(@)`n
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