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In an experiment to compare the magnetic...

In an experiment to compare the magnetic moment of two magnets using a vibration magnetometer, the period of oscillation was found to be 10 sec when the like poles were together and 20 sec when unlike poles were together. The moment of the magnets are in the ratio

A

`5 : 3`

B

`1 : 5`

C

`3 : 5`

D

`1 : 3`

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The correct Answer is:
A
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