1. Definition:Refraction of light.
2.Laws of Refraction (Snell's law) 3.Refraction through a rectangular glass slab
4. Refractive index, numericals based on ref. index
5.Rules for image formation in convex and concave lenses
6.tracing the image for different positions of objects in convex and concave lenses
7.sign convention, magnification. 8.power of a lens 9.rfor Assertion and reasoning qns refer to the 2 sample papers sent already.
10. practice the ray diagrams.
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