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Magnetism — Physics STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 SciencePhysicsMagnetism1 Mark
Question

Assertion :   The properties of paramagnetic and ferromagnetic substance are not effected by heating.

Reason     : As temperature rises, the alignment of molecular magnets gradually decreases.

(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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