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1. |
A pendulum suspended from the roof of a train has a period T (When the train is at rest). When the train is accelerating with a uniform acceleration ‘a’, the time period of the pendulum will (NCERT 80) |
A. | Increase |
B. | Decrease |
C. | Remain unaffected |
D. | Become infinite |
Answer» C. Remain unaffected | |