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MHT CET Physics question

PhysicsOscillationsMHT CET

Two pendulum A and B having periodic times 4 s and 4.25 s are made to oscillate simultaneously. At time t = 0, they are in the same phase. Time after which they will be again in the same phase is

Answer: (D)

Solution

They are again in phase when , i.e. ; the smallest integers are , so

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Question ID VK-068068