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. 11 of Short Answer

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11

The equation of refraction at a spherical surface is


Taking, show that this equation leads to the equation



for refraction at a plane surface.



Now, as ,


0


So, =


So,


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