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प्रश्न
A ray of light passes from air to glass. If the angle of incidence is 74° and the angle of refraction is 37°, find the refractive index of the glass.
संख्यात्मक
उत्तर
i = 74°, r = 37°
`n = sin i/sin r = (sin74°)/(sin37°) = 0.9613/0.6018 = 1.597`
∴ n= 1. 597, is the refractive index of the glass.
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