AIPMT PRELIMS2003Physics-Magnetism
AIPMT PRELIMS 2003 Physics Oscillation of Bar Magnets MCQ Question
Type: MCQ-conceptual-Medium-Class 12
A bar magnet is oscillating in the Earth's magnetic field with a period T. What happens to this period and motion if this mass is quadrupled -
A
Motion remains S.H. with time period = T/2
B
Motion remains S.H. with time period = 2T
C
Motion remains S.H. with time period = 4T
D
Motion remains S.H. with time period and period remains nearly constant
Correct Answer
Option B
Detailed Explanation
The period of oscillation of a bar magnet in a magnetic field is independent of its mass. Therefore, the period remains nearly constant.
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