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वायु में ध्वनि की चाल होती है :-(a) 332 m/s (b) 333 m/s(c) 331 m/s (d)334 m/s |
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Answer» Answer: correct answer is speed of sound in air is about 343 metres per second Explanation: MARK brainlist follow me plz press thanks button if you SATISFIED |
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