If I is the angle of incidence, r is the angle of refraction and n is – McqOptions

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1.	If I is the angle of incidence, r is the angle of refraction and n is the constant then sin I/sin r = n is known as
A.	Snell's law
B.	Newton's law
C.	Hooke's law
D.	Einstein's law
Answer» B. Newton's law

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