define refraction of light. State snell's Law
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the change of direction of wave
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Refraction is the change in direction of wave propagation due to a change in its transmission medium.
Snell's law (also known as Snell–Descarteslaw 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.
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Refraction is the change in direction of wave propagation due to a change in its transmission medium.
Snell's law (also known as Snell–Descarteslaw 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.
Hope this answer helps you
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