1.TWO ASTRONAUTS CANNOT HEAR EACHOTHER ON THE MOON. WHY? 2.WITH THE HELP OF THE DIAGRAM PLZZ EXPLAIN THE WORKING OF HUMAN EAR? 3.THE SOUND OF A EXPLOSION ON THE SURFACE OF LAKE IS HEARD BY A BOATMAN 100m AWAY AND A DIVER 100m BELOW THE POINT OF EXPLOSION. i)who will hear sound first boatman or diver? why?

Asked by Piyush Nema | 26th Feb, 2011, 02:35: AM

Expert Answer:

Dear student
Pls. post each query individually.
Two astronauts cannot hear each other on moon because there is no atmosphere to reflect sound waves on moon.
Hope this helps.
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Answered by  | 26th Feb, 2011, 09:46: AM

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