Assertion: The poles of magnet can not be separated by breaking into two pieces. Reason: The magnetic moment will be reduced to half when a magnet is broken into two equal pieces.

Question

Assertion: The poles of magnet can not be separated by breaking into two pieces. Reason: The magnetic moment will be reduced to half when a magnet is broken into two equal pieces. (A) If both Assertion and Reason are correct and Reason is the correct explanation of Assertion. (B) If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion. (C) If Assertion is correct but Reason is incorrect (D) If both the Assertion and Reason are incorrect

Tardigrade Admin · Accepted Answer

When a magnet is cut into pieces, each piece becomes new magnet. M' = (m ℓ/2) = (M/2)

Q. Assertion : The poles of magnet can not be separated by breaking into two pieces.
Reason : The magnetic moment will be reduced to half when a magnet is broken into two equal pieces.

If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.

If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion.

If Assertion is correct but Reason is incorrect

If both the Assertion and Reason are incorrect

When a magnet is cut into pieces, each piece becomes new magnet.
$M^{'} = \frac{m ℓ}{2} = \frac{M}{2}$

Q. Assertion : The poles of magnet can not be separated by breaking into two pieces. Reason : The magnetic moment will be reduced to half when a magnet is broken into two equal pieces.