Question

Explain the Above Diagrams.​

Answer 1

When the light rays either bend or change their direction while passing from one medium to another it is called refraction of light.

case 1:

When light rays travel from optically rarer medium to denser medium then they bend towards normal. In this case angle of refraction is smaller than angel of incidence.

When light rays travel from air into glass or from air into water, it bends towards normal. This is because the speed of light rays decrease while travelling from air into glass or water.

case :2

When light rays travel from optically denser medium to rarer medium then they bend away from the normal. In this case the angle of refraction is greater than angle of incidence.

When light rays travel from glass into air or from water into air they bend away from the normal. The speed of light rays increase while travelling from glass or water into air.

Hope this helps you ✌️✌️☘️☘️.

Answer 2

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When the light rays either bend or change their direction while passing from One medium to another then it is called refraction of light.

Case 1 :-

When light rays travel from optically rarer medium to denser medium then they bend towards normal. In discus angle of refraction is smaller than angle of incidence.

When light rays travel from air into glass or from air into water, it bends towards normal. This is because the speed of light rays decrease while travelling from air into glass or water.

Case 2 :-

When light travels from optically denser medium to rarer medium then they bend away from the normal. In this case the angle of refraction is greater than the angle of incidence.

When light rays travel from glass into air aur from water into air they bend away from the normal. The speed of light rays increase while travelling from glass or water into air.

$I \ hope \ it \ helps \ u \ bæ$