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A simple pendulum is suspended from the ceiling of a lift. When the lift is at rest its time period is T. With what acceleration should the lift be accelerated upwards in order to reduce its period to T/2? (g is the acceleration due to gravity)
Options
(a) 4g
(b) g
(c) 2g
(d) 3g
Correct Answer:
3g
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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(58)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Photoelectric current from a given photocell will depend upon
- Dependence of intensity of gravitational field (E) of earth with distance(r)
- A plumb line is suspended form a ceiling of a car moving with horizontal acceleration
- A particle moving along X-axis has acceleration f,at time t given by f=fₒ(1- t/T)
- Two identical circular coils A and B are kept on a horizontal tube
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Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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