Physicsmedium · Past Paper
The refractive index of glass with respect to air is 3/2. What is the refractive index of air with respect to glass?
A3/2
B2/3
C1/2
D1
✓ Correct Answer: B — 2/3
n21 = 1/n12. So, 1 / (3/2) = 2/3.
Share this question
More from Physics
- The potential energy of an object at the surface of the earth is usually taken as:
- An object is thrown upwards with a velocity of 19.6 m/s. How long will it take to reach the top? (g = 9.8 m/s^2)
- What is the relationship between force (F), mass (m), and acceleration (a)?
- Power is defined as:
- A ball is thrown upwards with a velocity of 20 m/s. What is the maximum height reached? (g=10 m/s^2)