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Optics (GA Physics) Notes for SSC CGL, CHSL & Railways

Optics (GA Physics) Notes for SSC CGL, CHSL & Railways

Optics (Ray Optics, Wave Optics) Optics is the branch of physics which involves the behaviour and properties of light, including its interactions with matter and the construction of instruments that use or detect it. Optics usually describes the behaviour of visible, ultraviolet, and infrared light. Light is electromagnetic radiation within a certain portion of the electromagnetic spectrum. Speed of Light: 3 x 108 ms-1 Time for light to reach on Earth from Sun: 8 minute 20 seconds When light falls…

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