Identify the INCORRECT statement from among the following.

Correct option is C

The correct answer  is option (c) number of field lines intersect at a given point inside a magnetic field.

 Repulsion is a sure test of magnetism:

• Correct. Repulsion confirms that an object is magnetized, as non-magnetic materials can sometimes be attracted due to induced magnetism.

Outside a bar magnet, the magnetic field lines are directed from north to south pole.

• Correct. Magnetic field lines outside a bar magnet always emerge from the north pole and terminate at the south pole.

 A number of field lines intersect at a given point inside a magnetic field.​

• Incorrect. Magnetic field lines never intersect. If they did, it would imply that the magnetic field has two different directions at the point of intersection, which is impossible.

 A freely suspended bar magnet points in north–south direction.

• Correct. This property of a bar magnet is due to Earth's magnetic field, which aligns the magnet's north pole toward the Earth's magnetic south pole (geographic north).