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Physics · 2026 · 1 mark
CBSE 2026 · Region 3 · Set 1 · Q16
Assertion (A): Nuclear forces are always attractive. Reason (R): The nuclear force between protons and neutrons in a nucleus is a weak force.
Assertion (A) : Nuclear forces are always attractive. Reason $\displaystyle (R)$ : The nuclear force between protons and neutrons in a nucleus is a weak force.
Official answer
(D)
Both Assertion (A) and Reason (R) are false.
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CBSE Class 12 Physics past-paper question from the 2026 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.