Question

If a ray of light travels from air to water, then the constant $(=\frac{Sinr}{Sini})$ is the refractive index of _______ with respect to ______.

• A. Water, water
• B. Air, air
• C. Air, water
• D. Water, air

Answer 1

The correct option is D Water, air

By Snell’s law, if a ray of light travels from air to water, then the constant $(=\frac{Sinr}{Sini})$ is the refractive index of water with respect to air.