1.

Assertion (A) : For a perfectly diamagnetic material the relative permeability has a value of -1. Reason (R) : The ability of a material to permit the passage of magnetic field lines through it is called magnetic permeability.

Answer»

If both assertion and reason are TRUE and the reason is the CORRECT explanation of the assertion
If both assertion and reason are true but reason is not the correct explanation of the assertion
if assertion is true but reason is FALSE.
If the assertion is false but reason is true.

Solution :If both assertion and reason are true but reason is not the correct explanation of the assertion


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