For a vibration magnetometer, the time period of the suspended bar magnet can be reduced by:
1. moving it towards the south pole
2. moving it towards the north pole
3. moving it towards the equator
4. anyone of them
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyTwo bar magnets having the same geometry with magnetic moments \(M\) and \(2M\) are firstly placed in such a way that if their similar poles are on the same side then their time period of oscillation is \(T_1\). Now if the polarity of one of the magnets is reversed then the time period of oscillation is \(T_2\). The relation between \(T_1\) & \(T_2\) is:
1. \(T_1<T_2\)
2. \(T_1=T_2\)
3. \(T_1>T_2\)
4. \(T_2 = \infty\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology