Bhavya brings a magnet near a metal ball and observes that

Magnet Metal ball- the ball moves away

What can she conclude about the metal ball?

a. It is a magnet

b. It is made up of alluminium

c. Type of measurement

d. Type of person using


@manu: Correct! This is because similar poles of a magnet repel. So, the ball must be having some kind of magnetic pole similar to that of the magnet pointed towards it at the end that it gets repelled.

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a.It is a magnet because repulsion is the surest test of magnetism.

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