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Which from the following is true for 'Sound'?Sound cannot pass through ---.

Which from the following is true for 'Sound'?Sound cannot pass through ---. Correct Answer through a vacuum

Sound cannot travel through a perfect vacuum. A vacuum is an area without any air, like space. So sound cannot travel through space because there is no matter for the vibration to work in.

Related Questions

In a Plane there are 37 straight lines, of which 13 pass through the point A and 11 pass through the point B. Besides, no three lines pass through one point, no lines passes through both points A and B , and no two are parallel. Find the number of points of intersection of the straight lines.
A student M scored 25% marks and gets failed in an exam because of securing 15 marks less than the pass marks. Another student N passed the exam by scoring 45% marks, which are 25 marks more than the pass marks. Later, it was found that the actual pass marks are 40% more than the initially calculated pass marks. What is the average of both the pass marks?
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Q. The true stress-true strain curve in compression is lower than the true stresstrue strain curve in tension due to Bauschinger effect.
R. The true stress-true strain curve in tension is above the corresponding engineering stress-strain, curve.
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