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Author Question: Raising the temperature of air will 1.decrease the speed of sound in the air. 2.increase the speed ... (Read 79 times)

geoffrey

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on: Jul 28, 2018
Raising the temperature of air will
  1.decrease the speed of sound in the air.
  2.increase the speed of sound in the air.
  3.not affect the speed of sound in the air.
  4.sometimes increase and sometimes decrease the speed of sound in air.

Question 2

For which of the following will the phenomenon of wave interference apply? (Choose the best answer.)
  1.square-shaped pulses
  2.sinusoidal pulses
  3.triangular pulses
  4.all of these


xthemafja

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

2

Answer to Question 2

4


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geoffrey

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Reply #2 on: Jul 28, 2018
TY


xthemafja

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Reply #3 on: Jul 28, 2018
You're welcome


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