Physics, asked by 2827sv, 11 months ago

the minimum distance to hear echo ( speed of sound in air is 340m/s).is_??? options...... a.15m. b.16m. c.17m. d.18m. ​

Answers

Answered by bonisha33
1
17m is ur ans ........
Answered by Crystall91
1

The minimum distance to hear echo is

c. 17 metre .

It is basically 17.2m but we round off it to 17m

Cheers!!

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