The angle at which the wave must be transmitted in air media if the angle of reflection is 45 degree is(a) 45(b) 30(c) 60(d) 90This question was posed to me in an interview.This intriguing question comes from Snell Law and Critical Angle topic in section EM Wave Propagation of Electromagnetic Theory

The angle at which the wave must be transmitted in air media if the an

1.	The angle at which the wave must be transmitted in air media if the angle of reflection is 45 degree is(a) 45(b) 30(c) 60(d) 90This question was posed to me in an interview.This intriguing question comes from Snell Law and Critical Angle topic in section EM Wave Propagation of Electromagnetic Theory
Answer» CORRECT choice is (a) 45 For explanation: In air media, n1 = N2 = 1. Thus, sin θi=sin θt and the angle of incidence and the angle of reflection are same. Given that the reflection angle is 45, thus the angle of incidence is also 45 DEGREE.

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