Pendulum Period
Easyphysics
Small angle simple pendulum length L has period:
Select the correct option:
Solution
Incorrect! Answer:
2π √(L/g)
For a simple pendulum (a point mass on a string) making small oscillations (sinθ≈θ): T=2πgL
- L: length of the string from the pivot to the center of mass of the bob.
- g: acceleration due to gravity. Crucially, the period is independent of the mass of the bob and the amplitude of oscillation (as long as the angle is small).
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About This Question
- Subject
- physics
- Chapter
- oscillations and waves
- Topic
- pendulum period
- Difficulty
- Easy
- Year
- 2025
Solution
Correct Answer:
2π √(L/g)
For a simple pendulum (a point mass on a string) making small oscillations (sinθ≈θ): T=2πgL
- L: length of the string from the pivot to the center of mass of the bob.
- g: acceleration due to gravity. Crucially, the period is independent of the mass of the bob and the amplitude of oscillation (as long as the angle is small).
This easy difficulty physics question is from the chapter oscillations and waves, covering the topic of pendulum period. It appeared in the 2025 exam.
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