Question

32. What is refraction of light? State the laws of refraction of light.​

Answer 1

Answer:

Laws of refraction state that: The incident ray refracted ray, and the normal to the interface of two media at the point of incidence all lie on the same plane. The ratio of the sine of the angle of incidence to the sine of the angle of refraction is a constant. This is also known as Snell's law of refraction.

Answer 2

Answer:

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Refraction of light:-

Refraction is the bending of light (it also happens with sound, water and other waves) as it passes from one transparent substance into another. This bending by refraction makes it possible for us to have lenses, magnifying glasses, prisms and rainbows.

Law of refraction of light:-

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

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