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Physics · 2023 · 1 mark
CBSE 2023 · Region 1 · Set 1 · Q16
Assertion (A): When a bar of copper is placed in an external magnetic field, the field lines get concentrated inside the bar. Reason (R): Copper is a…
Assertion (A) : When a bar of copper is placed in an external magnetic field, the field lines get concentrated inside the bar. Reason $\displaystyle (R)$ : Copper is a paramagnetic substance.
Official answer
(D)
Assertion (A) is false and Reason (R) is also false.
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CBSE Class 12 Physics past-paper question from the 2023 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.