A bar magnet is oscillating in the Earth's magnetic field with time period T. If its mass is increased four times, then its time period will be
Question
A bar magnet is oscillating in the Earth's magnetic field with time period T. If its mass is increased four times, then its time period will be
Solution
The time period of oscillation of a bar magnet in the Earth's magnetic field is not dependent on its mass. This is because the oscillation is due to the interaction between the magnetic field of the bar magnet and the Earth's magnetic field. The mass of the magnet does not affect this interaction. Therefore, even if the mass of the bar magnet is increased four times, its time period of oscillation will remain the same, T.
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