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Figure shows the position of layers of air, at one moment , as a sound wave of constant frequency passes through the air. Compressions are labeled as C and

Rarefraction are labelled as R
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State how figure would change if
a) sound has higher frequency
b) the sound were louder
c) On figure draw a line marked with arrows to show the wavelength of sound.


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    The speed of sound in air at a particular temperature and air pressure is same.  So if the frequency increases, then the wavelength decreases.  The distance between the successive compressions and rarefactions decreases.
         \\\\ \ \ \ \\\\ \ \ \ \\\\ \ \ \ \\\\ 
    The loudness comes from the amplitude of vibrations.  But the wavelength  remains same.  So distance between the rarefactions and compressions remains same.
Draw a line from the center of a compression to the center of next consecutive compression.

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