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Magnetism — Physics STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 SciencePhysicsMagnetism1 Mark
Question

Assertion  :   For a perfectly diamagnetic substance permeability is always one.

Reason       : The ability of a material of permit the passage of magnetic lines of force through it is called magnetic permeability.

(a) If both assertion and reason are true and the reason is the correct explanation of the assertion.

(b) If both assertion and reason are true but reason is not the correct explanation of the assertion.

(c) If assertion is true but reason is false.

(d) If assertion is false but reason is true.
✓

Answer

(d) If assertion is false but reason is true.

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