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Falak786
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Asked: 2021-09-07T11:38:44+00:00 In:

The speed of sound in air at 20 ° C is about.

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Poll Results

8.33%(a) 3 × 10 m/sec. ( 1 voter )
0%(b) 3 ×10⁸m/sec.
8.33%(c) 340 m/sec. ( 1 voter )
83.33%(d) 343 m/sec. ( 10 voters )
Based On 12 Votes

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    2 Answers

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    2. (d) 343 m/sec.

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