According to the Snell's law if an electromagnetic wave is incident in a medium (refractive index n1) on an other medium (refractive index m2);

the angle of incidence is equal to the angle of refraction

the angle of refraction (Œ∏r) is given by

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 n1) on an other medium (refractive index m2);
A.	the angle of incidence is equal to the angle of refraction
B.	the angle of refraction (Œ∏r) is given by
C.	Both (a) and (b)
D.	neither (a) nor (b)
Answer» C. Both (a) and (b)

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According to the Snell's law if an electromagnetic wave is incident in a medium (refractive index n1) on an other medium (refractive index m2);

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