Question

Refractive Index of diamond is 2.4. What do you understand by this statement?

• A. Light travels 2.4 times faster in Diamond than in air
• B. When angle of incidence is 1⁰ the angle of refraction is 2.4⁰
• C. Light travels 2.4 times faster in air than in Diamond
• D. The ratio of speed of light in diamond to that in air is 2.4
• E. When angle of incidence is 1⁰ the angle of deviation is 2.4⁰

Answer 1

The correct option is C

Light travels 2.4 times faster in air than in Diamond