Physicseasy · Past Paper
Which of the following materials has the highest refractive index?
AWater
BGlass
CDiamond
DAir
✓ Correct Answer: C — Diamond
Diamond has a very high refractive index (about 2.42), which contributes to its brilliance due to total internal reflection.
Share this question
More from Physics
- A motor of 100 W works for 1 minute. How much work does it do?
- The loudness of sound is directly proportional to the square of its what?
- The commercial unit of electrical energy is:
- In an astronomical telescope, the focal length of the objective is 100 cm and that of the eyepiece is 5 cm. The magnifying power is:
- If the displacement-time graph is a curve bending towards the displacement axis, the body has: