Ray Optics and Optical Instruments | Class 12th Physics | Notes, Important Questions, Previous Years Questions, Sample Papers | As Per New Syllabus

Reflection of light, spherical mirrors, mirror formula, refraction of light, total internal reflection and optical fibers, refraction at spherical surfaces, lenses, thin lens formula, lens maker’s formula, magnification, power of a lens, combination of thin lenses in contact, refraction of light through a prism.


Optical instruments: Microscopes and astronomical telescopes (reflecting and refracting) and their magnifying powers.

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