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class 10th Light ,Reflection and Refraction
CLASS 10th ICSE/ CBSE Notes - By Er. Amit Singh For more Notes click this link https://cbsenotesallsub.blogspot.com/ Light-Reflection and Refraction what is light ? Light is the form of energy that enable us to see. There are a number of common wonderful phenomena associated with light such as - image formation by mirrors The twinkling of stars. The beautiful colours of rainbow Bending of light Properties of light It is electromagnetic wave so does not require any medium to travel. Light tends to travel in straight line. Light has dual nature i.e. wave as well as particle. Light casts shadow. Speed of light is maximum in vaccum. when light falls on a surface following may happen. Reflection Refraction Absorption Reflection Reflection : Bouncing of light when it strikes on a polished surface like mirror. A highly polished surface such as a mirror reflects most of the light falling on it. Law of Reflection according to law of reflection:...
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