Question

what is reflection and refraction

Answer 1

1. reflection : - the throwing back by a body or surface of light, heat, or sound without absorbing it.
2. refraction :- the fact or phenomenon of light, radio waves, etc. being deflected in passing obliquely through the interface between one medium and another or through a medium of varying density


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Answer 2

maths part 2
reflection means bouncing back of light through a smooth surface. And refraction means bending of light due to change in mefium