Civil Engineering MCQs
Q According to the Snell’s law if an electromagnetic wave is incident in a medium (refractive index n1) on another medium (refractive index m2)________________?
  • A A. The angle of incidence is equal to the angle of refraction
  • B B. The angle of refraction r) is given by sin i
  • C C. Both a. and b.
  • D D. Neither a. nor b.
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