HC Verma - Concepts of Physics Part 1

Book: HC Verma - Concepts of Physics Part 1

Chapter: 18. Geometrical Optics

Subject: Physics - Class 11th

Q. No. 25 of Exercises

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25

A light ray is incident at an angle of 45° with the normal to a √2 cm thick plate (μ = 2.0). Find the shift in the path of the light as it emerges out from the plate.

25.PNG


Angle of incidence


Thickness of the plate =


Refractive index of plate


By Snell’s law:






BD is the shift in the path.



BD = AB


=


=


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