What is the difference between loudness and intensity.
Important questions of this chapter sound
1.what do you understand by 1u or 1amu.
2.why is a bell provided with a big outer case?
what is the difference between Echo And Reverberation ?
What r the factors on which the speed of sound depends? Pls ans any1.. experts... quickly..
Why is it that children under the age of 5 can hear sounds upto 25 kHz but adults cannot do so?
a person is listening to a tone of 500 Hz sitting at a distance of 450m from the source of the sound . What is the time interval between successive compressions from the source ?
why we cannot heard echo in small room?
differentiate between crest and trough with more than 3 points (
why are sound waves called mechanical waves?
Why does sound travel faster in Hydrogen than Oxygen?
DIFFERENCE BETWEEN INTENSITY AND LOUDNESS OF SOUND?/
Does light occupy space and has mass?
The blood pressure in humans is greater at the feet than at the brain. Why?
The roof and walls of the auditorium are generally covered with sound absorbent materials like compressed fibreboard or draperies. Why is it so?(
Explain the working and applications of sonar.
what are uses of infrasonic sound
a stone is dropped from the top of a tower 500m high into a pond of water at the base of the tower . when is the splash heard ? g = 10m/s2 and speed of sound = 340m/s
A person has a hearing range from 20Hz to 20KHz. what are the typical wavelength of sound waves in air corresponding to these two frequencies?(Speed of sound =344m/s)?
on what factor does the quality of sound depend?
why are the ceilings of concert halls made curved?
why would it be futile to attempt to detect sounds from other planets, even given the very best in audio detectors?
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