how is echo in a halls prevented? the sound of explosion on the surface of lake is heard by a boatman 100 m away and a driver 100 m below the point of explosion of the two person mentioned (boatman & driver) who would heard the sound first?
Answers
Answered by
3
echo in the halls is prevented by placing sound absorbing object ssuch as sofa or cussions which reduces the echo boatman will hear first because sound travels faster in the air than liquid
irfanvavy234:
mark as brainliest pls and thanks
Similar questions