1230. According to the Snell’s law if an electromagnetic wave is incident in a medium (refractive index n1) on another medium (refractive index m2)________________? September 7, 2025 by Admin A. The angle of incidence is equal to the angle of refraction B. The angle of refraction r) is given by sin i C. Both A. and B. D. Neither A. nor B. ✅ The correct answer is option B.