An organ pipe produces a sound of frequency 400 Hz. If it is blown a little harder then it produces a sound of frequency 800 hz. It is an open or a closed pipe?
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Explanation:
No, we cannot hear the sound of stones. Sound is a mechanical wave and requires a medium to travel; there is no medium on the moon.
No, we cannot hear the sound of our own footsteps because the vibrations of sound waves from the footsteps must travel through our body to reach our ears. By that time however, the sound waves diminish in magnitude.
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no we cannot hear the sound
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