Physicsmedium · Past Paper
The refractive index of diamond is 2.42. What is the speed of light in diamond?
A1.24 x 10^8 m/s
B3 x 10^8 m/s
C2 x 10^8 m/s
D0.8 x 10^8 m/s
✓ Correct Answer: A — 1.24 x 10^8 m/s
v = c/n = (3 x 10^8) / 2.42 ≈ 1.24 x 10^8 m/s.
Share this question
More from Physics
- The velocity of an object at the end of 5s is 25 m/s. If it started from rest, what is its acceleration?
- What is the direction of conventional current?
- What is the angle between velocity and acceleration in a uniform circular motion?
- When the displacement is in the same direction as the force, the work done is:
- The image of an object is formed on which part of the human eye?