Questions
The time period of oscillation of a magnet in a vibration magnetometer is 1.5 seconds. The time period of oscillation of another magnet similar in size, shape and mass but having one-fourth magnetic moment than that of first magnet, oscillating at same place will be
detailed solution
Correct option is C
T∝1M⇒T1T2=M2M1⇒1.5T2=M1/4M1=12⇒T2=3 sSimilar Questions
The time period of a freely suspended magnet is 4 seconds. If it is broken in length into two equal parts and one part is suspended in the same way, then its time period will be
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