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JEE Main Physics Class 12 Magnetism and Matter Questions

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Question : 54

Total: 80

A hoop and a solid cylinder of same mass and radius are made of a permanent magnetic material with their magnetic moment parallel to their respective axes. But the magnetic moment of hoop is twice of solid cylinder. They are placed in a uniform magnetic field in such a manner that their magnetic moments make a small angle with the field. If the oscillation periods of hoop and cylinder are Th and Tc respectively, then:

[10 Jan. 2019 II]

Th=Tc
Th=2Tc
Th=1.5T
Th=0.5Tc

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