There is a water film formed on a glass block A light ray is incident on water film from air at an angle 60^\circ from normal. What is the angle of incidence on glass block? (refractive index of glass =1.5, refractive index of water =4/3)

Correct Answer is : sin−1(3√38)

NEET Exam Model Paper 2

Question : 107 of 180

Marks: +1, -0

There is a water film formed on a glass block A light ray is incident on water film from air at an angle 60° from normal. What is the angle of incidence on glass block? (refractive index of glass =1.5, refractive index of water =

)

sin−1(
3√3
8
)
sin−1(
1
√3
)
sin−1(
4√3
9
)
sin−1(
9√3
16
)

Validate

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