The time period of oscillation of a magnet in a vibration magnetometer – McqOptions

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1.	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 [MP PMT 1991; MP PMT 2002]
A.	0.75 sec
B.	1.5 sec
C.	3 sec
D.	6 sec
Answer» D. 6 sec

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