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A magnetic needle is made to vibrate in ...

A magnetic needle is made to vibrate in uniform field `H`, then its time period is `T`. If it vibrates in the field of intensity `4H`, its time period will be

A

`2T`

B

`T/2`

C

`T/4`

D

T

Text Solution

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The correct Answer is:
B
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AAKASH INSTITUTE-Mock Test 31: PHYSICS-Example
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