Q. वायु में ध्वनि का वेग है लगभग ?

(A) 332 मी./से.
(B) 220 मी./से.
(C) 110 मी./से.
(D) 232 मी./से.

✅ Correct Answer: (A) 332 मी./से.

Published by Krishna Sharma ⭐ 48.52K Points at 22-Mar-2021 09:29 am in Science

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