Chapter 9 – Ray Optics and Optical Instruments

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Chapter 9 – Ray Optics and Optical Instruments

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Download PDF of class 12 Physics notes of Chapter 9 Ray Optics and Optical Instruments. Notes of Chapter 9 Ray Optics and Optical Instruments contains all the topic as per the syllabus of NCERT. Each topic is explained  in very easy language with colored diagrams. Typical topics are divided into parts so that student can understand  these topics step by step. Class 12 Physics notes Chapter 9 Ray Optics and Optical Instruments is prepared by our experts as per the latest syllabus and exam pattern Class 12 Physics. Derivation of formulas is given in very simple ways after consulting from various books  and expert teachers. Also don’t forget to download Class 12 Notes of other Subjects like Chemistry, Mathematics Formulas sheets, Biology. Along with Notes, we are also providing Online Quizzes for each Chapters of class 12 Physics and other subjects. Online Quizzes are given topic wise and contains MCQs with timer to attempt the quizzes. After reading the Class 12 Physics Notes of Chapter 9 Ray Optics and Optical Instruments, students can revise the whole Chapter in Our Online quizzes. 

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CBSE Class 12 Physics Notes of Chapter Chapter 9

Ray Optics and Optical Instruments

Ray  Optics:: Reflection of light, spherical mirrors, mirror formula. Refraction of light, total internal reflection and its applications, optical fibres, refraction at spherical surfaces, lenses, thin lens formula, lensmaker’s formula. Magnification, power of a lens, combination of thin lenses in contact combination of a lens and a mirror. Refraction and dispersion of light through a prism.

Scattering of light – blue colour of sky and reddish apprearance of the sun at sunrise and sunset.

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

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