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ryzh [129]
3 years ago
5

Calculate the refractive index for a substance where the angle of incidence is 300 , the angle of refraction is 600 , and the re

fractive index of second substance is 1.5
Physics
1 answer:
Sophie [7]3 years ago
7 0

Answer:

η₁ = 2.6

Explanation:

Here, we will use snell's law to calculate the refractive of the substance:

\frac{\eta_2}{\eta_1} = \frac{Sin\theta_1}{Sin\theta_2}

where,

η₁ = refractive index of first substance = ?

η₂ = refractive index of second substance = 1.5

θ₁ = angle of incidence = 30°

θ₂ = angle of refraction = 60°

Therefore,

\frac{1.5}{\eta_1} = \frac{Sin\ 30^0}{Sin\ 60^0}

<u>η₁ = 2.6</u>

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