Question

why light bend in refraction instead of moving straight?​

Answer 1

Answer:

Change of speed causes change of direction

For example, when light travels from air into water, it slows down, causing it to continue to travel at a different angle or direction. ... When light enters a more dense substance (higher refractive index), it 'bends' more towards the normal line.

Explanation:

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Answer 2

Answer:

The bending occurs because light travels more slowly in a denser medium. ... As the light enters the water, it is refracted. Since the light is passing from air (less dense) into water (more dense), it is bent towards the normal. The beam of light would appear to bend at the surface of the water.

Explanation:

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