| Assertion (A): Magnetic poles cannot be separated by breaking a bar magnet into two pieces. |
| Reason (R): When a magnet is broken into two pieces, the magnetic moment will be reduced to half. |
A) Both A and R are true and R is the correct explanation of A
B) Both A and R are true but R is NOT the correct explanation of A
C) A is true but R is false
D) A is false and R is true
Correct Answer: B
Solution :
| Option [b] is correct. |
| Explanation: Magnetic poles always exist in pairs even in atomic level. So assertion is true. |
| When a magnet is broken into two pieces, the pole strength remains same; only the length becomes half. So, the magnetic moment becomes half. So, the reason is also true. |
| But R is not the proper explanation of A. |
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