Question

Why does a ray of light bend when it travels from one medium into another?

Answer 1

Answer:

Due to change in speed of light

Explanation:

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Answer 2

Explanation:

The rays of light on travelling from one medium to another bends because of the density of the medium. For example, when light enters from a less dense to a more denser medium, eg. from air to glass, it bends towards the normal. In contrast, when a light enters from a denser to a lighter medium, eg. glass to air, it bends away from the normal.

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