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The boundary condition at the surface of incidence obeys ________

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The boundary condition at the surface of incidence obeys ________

(a) Kepler’s law

(b) Gauss law

(c) Faraday law

(d) Snell’s law

I have been asked this question in an internship interview.

This intriguing question comes from Reflection topic in portion Mobile Radio Propagation: Large – Scale Path Loss of Wireless/Mobile

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The correct answer is (d) Snell’s law

Easy explanation: Snell’s law is also known as Snell–Descartes law or the law of refraction. It gives a formula to describe the relationship between the angles of incidence and refraction, when referring to light or other waves passing through a boundary between two different isotropic media, such as water, glass, or air.

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