Light rays change direction when they reflect off a surface, move from one transparent medium into another, or travel through a medium whose composition is continuously changing. The law of reflection can be used to understand the images produced by plane and curved mirrors

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Class 10 Light- Reflection & Refraction Reduced Syllabus 2021

Unit III: Natural Phenomena 

Reflection of light by curved surfaces; Images formed by spherical mirrors, centre of curvature, principal axis, principal focus, focal length, mirror formula (Derivation not required), magnification.

Refraction; Laws of refraction, refractive index.

Refraction of light by spherical lens; Image formed by spherical lenses; Lens formula (Derivation not required); Magnification. Power of a lens.

Class 10 Light- Reflection & Refraction Deleted Syllabus 2021

No delete

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