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A short bar magnet used in a vibration m...

A short bar magnet used in a vibration magnetometer is heated so as to reduce its magnetic moment by 36%, then the frequency of magnet is (Neglecting the Changes in the dimensions of the magnet)

A

Increase by 36%

B

Decreases by 36%

C

Increase by 20%

D

Decreases by 20%

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AAKASH SERIES-APPENDICES ( REVISION EXERCISE )-REVISION EXERCISE (MAGNETISM AND MATTER )
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