Question

the path of light travels in a straight line or it depends on the medium?​

Answer 1

Answer:

Diffraction is the effect which causes light to change path when it meets obstacles. But as diffraction effect is very small light travels in straight line .

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Answer 2

Any physics student knows that light travels in a straight line. But now researchers have shown that light can also travel in a curve, without any external influence. The effect is actually an optical illusion, although the researchers say it could have practical uses such as moving objects with light from afar.

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