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Author Question: If the source moves, the wavelength of the sound in front of the direction of motion is ____________ ... (Read 47 times)

pragya sharda

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on: Jul 28, 2018
If the source moves, the wavelength of the sound in front of the direction of motion is ____________ the wavelength behind the direction of motion.
 a. the same as c. smaller than
  b. larger than d. unrelated to

Question 2

A source emits sound at a fixed constant frequency f. If the source moves away from you faster than the speed of sound in air, the frequency that you hear is
 a. the same as f c. lower than f
  b. higher than f d. unrelated to f


Melissahxx

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Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

D


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pragya sharda

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Reply #2 on: Jul 28, 2018
Thanks


Melissahxx

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Reply #3 on: Jul 28, 2018
Welcome :)


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