This print-out should have 8 questions Multiple-choice questions may continue on

Question

This print-out should have 8 questions Multiple-choice questions may continue on the next column or page-find all choices before answering. A sound wave has a frequency of 605 Hz in air and a wavelength of 0.55 m. What is the temperature of the air? Assume the velocity of sound at 0degreeC is 3.35 m/s. 1/square root 1+x square root 1-x for xlessthan1.Answer in units of degree C. Sound from Source A has twice the frequency of sound from Source B. Compare the wavelengths of sound from the two sources. The wave length of sound from Source B is half the wavelength of sound from Source A. The wave length of source A

Explanation / Answer

1)

Velocity of sount at T degrees is

V = 605x0.55

V = 332.75 m/sec

we know that speed of sound at T degree is given by

V = 335 +(0.6 T)

332.75 = 335 + (0.6T)

T = -3.75 degree C

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