Question

Define snell' s law​

Answer 1

Answer:

Snell's law (also known as Snell–Descartes law and the law of refraction) is a formula used to describe the relationship between the angles of incidence and refraction, when referring to light or other waves passing through a boundary between two different isotropic media, such as water, glass, or air.

Explanation:

Answer 2

Answer:a law stating that the ratio of the sines of the angles of incidence and refraction of a wave are constant when it passes between two given media.
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