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Summary of Refraction of Light

Introduction

     when a ray of light travelling in one medium enters another medium of different optical density.

Refraction of Light

     when a ray of light is incident on the boundary separating the two media having different densities.

Laws of Refraction

     The incident ray, the refracted ray and the normal to the surface at the point of incidence all lie in one plane.

Derivation of Refraction Law

     The incident ray, the refracted ray and the normal to the surface at the point of incidence all lie in one plane.

Lens Magnification

     As per sign convention for lenses, the height of an inverted and real image is negative and hence the magnification of a lens is negative when it produces an inverted and real image.

Summary

     The change of direction suffered by a ray of light as it passes obliquely from one medium to another is known as refraction.


Question and Answers

Question and Answers 1

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Multiple Choice Questions

     



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