According to the Snell's law if an electromagnetic wave is incident in a medium (refractive index ) on an other medium (refractive index );

the angle of incidence is equal to the angle of refraction

According to the Snell's law if an electromagnetic wave is incident in

1.	According to the Snell's law if an electromagnetic wave is incident in a medium (refractive index ) on an other medium (refractive index );
A.	the angle of incidence is equal to the angle of refraction
B.	the angle of refraction (θ
C.	) is given by
D.	Both (a) and (b)
E.	neither (a) nor (b)
Answer» C. ) is given by

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According to the Snell's law if an electromagnetic wave is incident in a medium (refractive index ) on an other medium (refractive index );

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