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MHT CET Physics question

PhysicsSystems of Particles and Rotational MotionMHT CET

A molecule consists of two atoms each of mass 'm' and separated by a distance 'd'. At room temperature, if the average rotational kinetic energy is 'E' then the angular frequency is [MHT-CET 2020, MHT-CET 2020]

Answer: (A)

Solution

and , so

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Question ID VK-041006