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Physics · 2025 · 1 mark
CBSE 2025 · Region 1 · Set 3 · Q7
X-rays are more harmful to human beings than ultraviolet radiations because X-rays -
X-rays are more harmful to human beings than ultraviolet radiations because X-rays -
Official answer
(B)
have wavelength smaller than that of ultraviolet radiations.
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CBSE Class 12 Physics past-paper question from the 2025 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.