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Question
A ray of light travelling in air is incident on the plane of a transparent medium. The angle of incidence is 45° and that of refraction is 30°. Find the index of the medium.
Options
2
`1/sqrt2`
`2/sqrt2`
`sqrt2`
MCQ
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Solution
`bb(sqrt2)`
Explanation:
Using Snell's law:
μ = `(sin 45°)/(sin 30°)`
= `(1/sqrt2)/(1/2)`
= `sqrt2`
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