English, asked by abhiraghav22, 1 month ago

what is defence ?


anushka sorry me gussa ho gya tha kal sorry , me apne friends ko thodi na chod skta hoo:-(​

Answers

Answered by Anonymous
3

Answer:

Rectilinear propagation describes the tendency of electromagnetic waves to travel in a straight line. Light only deviates from a straight line when the medium it is travelling through changes density. This is called refraction.

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