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12. Sound
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Q1 of 33 Page 166

Distinguish between loudness and intensity of sound.

Loudness of sound is determined by the amplitude of any sound whereas the intensity of the sound wave is determined by the frequency of sound waves.


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3

Calculate that wavelength of a sound wave frequency is 220 Hz and speed is 440 m/s in a given medium.

4

A person is listening to a tone of 500 Hz sitting at a distance of 450 m from the source of the sound. What is the time interval between successive compressions from the sources?

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In which of the three media, air water or iron, does sound travel and fastest at a particular temperature?

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An echo returned in 3 s. What is the distance of the reflecting surface from the source, given that the speed of sound is 342 m s-1?

Questions · 33
12. Sound
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