The time period of oscillation of a magnet in a vibration magnetometer is 1.5 sec. The time period of oscillation of another magnet similar in size, shape and mass but having 1/4 magnetic moment than that of the 1st magnet oscillating at the same place will be
A. 0.75 sec
B. 1.5 sec
C. 3.0 sec
D. 6.0 sec
Answer:C
The time period of oscillation of a magnet in a vibration magnetometer is 1.5 sec. The time period of oscillation of another magnet similar in size, shape and mass but having 1/4 magnetic moment than that of the 1st magnet oscillating at the same place will be
A. 0.75 sec B. 1.5 sec C. 3.0 sec D. 6.0 sec