📊 Physics
Q. A ray of light travels from water to air. If the angle of incidence is 40°, then the angle of refraction is
  • (A) equal to zero
  • (B) greater than 40°C
  • (C) less than 40°C but not zero
  • (D) 40°C
✅ Correct Answer: (B) greater than 40°C

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