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 andRarefraction are labelled as R \\\\\\\\\ \ \ \ \ \\\\\\\\ \ \ \ \ \\\\\\\\\ \ \ \ \ \\\\\\\\ \ \ \ \ \\\\\\\\\ \ \ \ \ \\\\\\\\ \ \ \ \ 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.

Figure shows the position of layers of air, at one moment , as a sound

1.	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 andRarefraction are labelled as R \\\\\\\\\ \ \ \ \ \\\\\\\\ \ \ \ \ \\\\\\\\\ \ \ \ \ \\\\\\\\ \ \ \ \ \\\\\\\\\ \ \ \ \ \\\\\\\\ \ \ \ \ 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.
Answer» A) 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. \\\\ \ \ \ \\\\ \ \ \ \\\\ \ \ \ \\\\ b) The loudness comes from the amplitude of vibrations. But the wavelength remains same. So distance between the rarefactions and compressions remains same. c) Draw a line from the CENTER of a compression to the center of next consecutive compression.

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