JEE PHYSICS MCQ: MAGNETISM AND MATTER

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The period of oscillation of a magnet at a place is 2 seconds. When it is remagnetised, so that the pole strength becomes 4 times the initial value. The period of oscillation in second is

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Correct option: B

1

Option B (1) is correct because the time period is inversely proportional to the square root of the magnetic moment, which is proportional to the pole strength.

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