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Force between two identical bar magnets ...

Force between two identical bar magnets whose centres are r metre apart is `4.8 N`, when their axes are in the same line. If separation is increased to `2r`, the force between them is reduced to

A

`0.3N`

B

`0.6N`

C

`2.4N`

D

`1.2N`

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The correct Answer is:
A
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AAKASH INSTITUTE-MAGNETISM AND MATTER -EXERCISE
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