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what are the laws of reflection and refraction??
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There are three laws which govern Reflection and Refraction. These can be very easily derived from geometry.They are: Angle of Incident Ray with Normal(i) EQUALS Reflected Ray with Normal(r).(i=r) Popularly known as SNELL'S LAW it is n1*sin i=n2*sin e where i is same as above,e is angle of refracted beam with normal.
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