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
- Newton's Law of Gravitation is called universal because:
- When a body is dropped from a height, its potential energy is converted to:
- A lens of power +2.5 D is used by a person. What is the type of defect and the focal length?
- For a convex lens, where should an object be placed to get a virtual and magnified image?
- Which defect of vision occurs due to the gradual weakening of ciliary muscles in old age?