Question

three laws of refraction​

Answer 1

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${\pink{\sf\underline{Plane\:of\:incidence}}}$ — All rays (incident, reflected, and transmitted) all lie within the same plane called the plane of incidence.

${\pink{\sf\underline{Snell’s\:law}}}$ — n1sinθ1=n2sinθ2 .

${\pink{\sf\underline{Reflection}}}$ — The angle of reflection is equal to the angle of incidence.

Answer 2

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