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The time period of a simple pendulum in a lift descending with constant acceleration g is
Options
(a) T=2π√l/g
(b) T=2π√l/2g
(c) zero
(d) Infinite
Correct Answer:
Infinite
Explanation:
When the lift falls freely under gravity, effective ‘g’ for pendulum in the lift = zero.
T = 2π √(l/g) = 2π√(l/o) = Infinite.
Related Questions: - Which of the following phenomena support the wave theory of light?
- A cylindrical tank is filled with water to a level of 3m. A hole is opened at a height
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Topics: Oscillations
(58)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which of the following phenomena support the wave theory of light?
- A cylindrical tank is filled with water to a level of 3m. A hole is opened at a height
- A parallel plate capacitor has 91 plates, all are identical and arranged with same
- Find out the angle of projection, if range is 4 times of maximum height
- Electromagnetic induction is not used in
Topics: Oscillations (58)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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