Ray Optics and Optical Instruments Part 3

Section: Physics

Question : 13 of 56

Marks: +1, -0

Consider light travelling from a medium A to medium B separated by a plane interface. If the light undergoes total internal reflection during its travel from medium A to B and the speed of light in media A and B are 2.4×108m∕s and 2.7×108m∕s, respectively, then the value of critical angle is :

[23 Jan 2026 Shift 1]

cos−1(‌
8
9
)
sin‌−1(‌
1
8
)
cot−1(‌
‌
√13
)
tan−(√17)

Validate

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