Question

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A ray of light in air is incident on an equilateral glass prism at an angle 0; to the normal. After
refraction, the light travelled parallel to the base of prism and emerged in air at angle bc to the
normal. If the angle between the incident and the emergent rays is 60°, then the refractive index
of glass with respect to air is
1.5
C) 1.73
D) 1.66
133​

Answer 1

Answer:

D)1.66

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Answer 2

Answer:

1.66

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