Question

what is refraction in physics

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Answer 1

Answer:

Refraction, in physics, the change in direction of a wave passing from one medium to another caused by its change in speed. For example, waves travel faster in deep water than in shallow.

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Answer 2

$\large{\pmb{\underline{\underline{\sf{Refraction:-}}}}}$

• Refraction is the bending of a light or sound wave, or the way the light bends when entering the eye to form an image on the retina.

$\large{\pmb{\underline{\underline{\sf{Examples~ Of~ Refraction:-}}}}}$

• Bending of the sun's rays as they enter raindrops, forming a rainbow.

$\large{\pmb{\underline{\underline{\sf{Laws~ of~ Refraction:-}}}}}$

The angle of incidence is the angle between the incident ray and the normal; denoted as ‘i’. The angle of refraction is the angle between the refracted ray and the normal; denoted as ‘r’. Laws of refraction state that:

• The incident ray, reflected ray and the normal, to the interface of any two given mediums; all lie in the same plane.

• The ratio of the sine of the angle of incidence and sine of the angle of refraction is constant.