Question

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Answer 1

Answer:

The refractive index is of substance X is 1.73

Explanation:

Given that,

Angle of incident ∠i = 60°

Angle of refraction ∠r = 30°

We know that,

Refractive index(n) is

n = sin ∠i / sin ∠r               ——————-( By Snell’s Law)

n = sin 60°/ sin 30°

n = (√3/2)/(1/2)

n = √3

n = 1.73

Hence, the refractive index is of substance X is 1.73

Please ask in the comment section if you have any doubt or query.

Answer 2

Answer:

Explanation:

The refractive index is of substance X is 1.73

Explanation:

Given that,

Angle of incident ∠i = 60°

Angle of refraction ∠r = 30°

We know that,

Refractive index(n) is

n = sin ∠i / sin ∠r               ——————-( By Snell’s Law)

n = sin 60°/ sin 30°

n = (√3/2)/(1/2)

n = √3

n = 1.73

Hence, the refractive index is of substance X is 1.73

Please ask in the comment section if you have any doubt or query.