A gun is fired from a place which is at distance 1.2 km from a hill. The echo of the sound s heard back at the same place of firing after 8 second. Find the speed of sound.

A gun is fired from a place which is at distance 1.2 km from a hill. T

1.	A gun is fired from a place which is at distance 1.2 km from a hill. The echo of the sound s heard back at the same place of firing after 8 second. Find the speed of sound.
Answer» <html><body><p></p>Solution :The echo will be heard when the sound reaches back at the place of <a href="https://interviewquestions.tuteehub.com/tag/firing-989651" style="font-weight:bold;" target="_blank" title="Click to know more about FIRING">FIRING</a>. So, the <a href="https://interviewquestions.tuteehub.com/tag/total-711110" style="font-weight:bold;" target="_blank" title="Click to know more about TOTAL">TOTAL</a> distance travelled by sound is `2xx1.2km=2.4km=2400m` <br/> <a href="https://interviewquestions.tuteehub.com/tag/speed-1221896" style="font-weight:bold;" target="_blank" title="Click to know more about SPEED">SPEED</a> `=(2400m)/(8s)=300ms^(-<a href="https://interviewquestions.tuteehub.com/tag/1-256655" style="font-weight:bold;" target="_blank" title="Click to know more about 1">1</a>)`</body></html>