A splash is heard 3.12s after a stone is dropped into a well 45 m deep. The speed of sound in air is [g=10ms^(-2)]

A splash is heard 3.12s after a stone is dropped into a well 45 m deep

1.	A splash is heard 3.12s after a stone is dropped into a well 45 m deep. The speed of sound in air is [g=10ms^(-2)]
Answer» <html><body><p>`330ms^(-<a href="https://interviewquestions.tuteehub.com/tag/1-256655" style="font-weight:bold;" target="_blank" title="Click to know more about 1">1</a>)`<br/>`375ms^(-1)` <br/>`<a href="https://interviewquestions.tuteehub.com/tag/340ms-1856857" style="font-weight:bold;" target="_blank" title="Click to know more about 340MS">340MS</a>^(-1)`<br/>`346ms^(-1)`</p><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a> :<a href="https://interviewquestions.tuteehub.com/tag/b-387190" style="font-weight:bold;" target="_blank" title="Click to know more about B">B</a></body></html>