MHT CET 2026 Physics question
An oscillating pendulum suspended from the roof of a lift which is at rest has time period T. When lift moves up with acceleration 'a' its time period is T When lift moves down with acceleration 'a' its time period is T. The relation between T, T and T is
Answer: (B)
Solution
Time period of a simple pendulum . At rest: . Lift accelerating up: , so . Lift accelerating down: , so . Then $ + =
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