The critical angle for the diamond–air interface is

PHYSICS · Single correct · CBSE · Physics · Ray Optics and Optical Instruments · Ray Optics and Optical Instruments

Problem

The critical angle for the diamond–air interface is

24^{\circ}

. What is the absolute refractive index of diamond (nearest two decimal places)? (a)

1.90

(b)

3.27

(c)

2.40

(d)

2.28

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