Ch 10 - Waves And Sound

Test Description: Mechanical waves

Instructions: Answer all questions to get your test result.

1) Sound is a disturbance that travels through a medium as a

2) The pitch of a sound that you hear depends on the wave's

3) Which of the following factors determines the loudness of a sound

4) As the frequency of a wave traveling at a constant speed increases, its _________ decreases

5) In a longitudinal wave moving along a spring, areas where the coils are farthest apart are called

6) The more ________ a wave has, the greater its amplitude.

7) The spreading out of waves after they pass through a narrow opening or around a barrier is called

8) When the crests of one wave align with the ____________ of an identical wave, the amplitude of the resulting wave is zero.

9) The speed of sound in air decreases in _______ temperature.

10) The law of reflection states that the angle of incidence is _________ the angle of reflection.


*select an answer for all questions

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