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though light is amechanical wave , the speed of light changes from one medium to another medium. explain why ?

though light is amechanical wave , the speed of light changes from one medium to another medium. explain why ?
 

Grade:9

1 Answers

Aryan pratap
14 Points
7 years ago
Light is an Electromagnetic wave and not a mechanical wave. When it travels from one medium to another, its speed and wavelength change and not its frequency- it remains constant at all times

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