CBSE 2024 · Region 5 · Set 1 · Q6 · 1 mark
The electromagnetic waves used to purify water are
Official answer
From CBSE’s own marking scheme for this paper.
(B)
Ultraviolet rays
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CBSE Class 12 Physics past-paper question from the 2024board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.