A bar magnet is oscillating in the Earth’s magnetic field with a period T. What happens to its period and motion if its mass is quadrupled?
A
motion remains simple harmonic with time period 
B
motion remains S.H.M with time period 
C
motion remains S.H.M with time period 
D
motion remains S.H.M and period remains nearly constant
Text Solution
Verified by ExpertsThe correct answer is:
B
Initial mass of the magnet 
and final mass of the magnet 
. The time period
Therefore 
or 
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