Consider a light ray travelling in air is incident into a medium of refractive index \sqrt{2 n}. The incident angle is twice that of refracting angle. Then, the angle of incidence will be : [27-Jun-2022-Shift-1]

Correct Answer is : 2cos−1(√n2)

2 \cos ^{-1}(\sqrt{\frac{n}{2}})

Ray Optics and Optical Instruments Part 2

Section: Physics

Question : 82 of 100

Marks: +1, -0

Consider a light ray travelling in air is incident into a medium of refractive index √2n. The incident angle is twice that of refracting angle. Then, the angle of incidence will be :

[27-Jun-2022-Shift-1]

sin−1(√n)
cos−1(√‌
n
2
)
sin−1(√2n)
2cos−1(√‌
n
2
)

Validate

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