Physicsmedium · Past Paper
The ratio of the lengths of two pendulums is 1:4. The ratio of their time periods is:
A1:2
B1:4
C2:1
D1:16
✓ Correct Answer: A — 1:2
Time period T ∝ √L. So T1/T2 = √(L1/L2) = √(1/4) = 1/2.
Share this question
More from Physics
- If the speed of light in medium A is 2x10^8 m/s and in medium B is 2.5x10^8 m/s, the refractive index of A with respect to B is:
- Scattering of light by colloidal particles is known as:
- An object travels 10m North and then 10m East. What is the magnitude of its displacement?
- If the escape velocity on Earth is 11.2 km/s, what would it be on a planet with double the mass and double the radius of Earth?
- Which of the following is used to see objects hidden around corners?