Question

define refraction of light​

Answer 1

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Refraction is the bending of a wave when it passes from one medium to another. The bending is caused due to the differences in density between the two substances.

Defining Refraction

“Refraction is the change in the direction of a wave passing from one medium to another.”

Refraction of light is one of the most commonly observed phenomena, but other waves like sound waves and water waves also experience refraction. Refraction makes it possible for us to have optical instruments such as magnifying glasses, lenses and prisms. It is also because of the refraction of light that we are able to focus light on to our retina.

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Answer 2

Answer:

Refraction is a wave phenomenon. it changes its direction when it passes through one medium.

LAWS OF REFRACTION

• in the two mediums the ratio of the sine of the angle of incidence to the sine of the angle of refraction are constant.

• Incident ray reflected ray and the normal drawn , lie in the same plane at the point of two mediums.