Key notes for class 12 Physics chapter 09 Ray Optics and Optical Instruments. it includes revision notes such as When light is incident on a surface, it is sent back by the surface in the same medium through which it had come. This phenomenon is called ‘reflection of light’ by the surface. download pdf made by experts teachers as per latest cbse guidelines.
CBSE Class 12 Physics
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Chapter 9: Ray Optics and Optical Instruments