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- To find: the time period of the combination
- time period of oscillation in a vibration magnetometer,T = 2 seconds
we know that , time period of oscillation of magnet ;
T = 2π √I/(MB)
Where , I = moment of inertia of magnet
M = magnetic moment
Moment of Inertia of magnet
When it cut into three equal parts ,
the length of each piece of magnet is l/3
↪Moment of Inertia of the combination
Now divide i.e T'/T
∴ correct option B) 2/3 sec
kaushik05:
thnks
Answered by
4
Answer:
Option B is yr answer.
Explanation:
Hope it helps:))
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