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MHT CET Physics question

PhysicsSystems of Particles and Rotational MotionMHT CET

A disc at rest is subjected to a uniform angular acceleration about its axis. Let 'θ₁' and 'θ₂' be the angles described by the disc in 1st and 2nd second of its motion. The ratio is [MHT-CET 2020, MHT-CET 2020]

Answer: (B)

Solution

and , so the ratio is

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Question ID VK-040997