Question

Give the laws of refraction, explain the 2nd law in detail!​

Answer 1

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Laws of Refraction

Two laws of refraction are as follows.

• The first law of refraction states that the incident ray, refracted ray and the normal all lie in the same plane.
• The second law of refraction states that the ratio of sine of angle of incidence to the sign of angle of refraction is constant to the interface of any two given medium. The second law is also called Snell’s law.

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