10. As the frequency of a sound increases, the wavelength _____ and the period _____.
A. increases, decreases
B. decreases, increases
C. increases, increases
D. decreases, decreases
11. A sound wave is described as being 384 waves/s. This quantity describes the wave's _____.
A. frequency
B. period
C. speed
D. wavelength
12. The speed of a sound wave depends upon the _____.
A. frequency of the wave
B. wavelength of the wave
C. amplitude of the wave
D. properties of the medium through which it moves
13. Electromagnetic waves travel faster in _____.
A. gases
B. solids
C. Liquids
D. All of these
14. Sound waves are produced by something that _____.
A. vibrates
B. collide
C. slower
D. None of these
15. Sound waves travel through a material as particles in the material _____.
A. vibrates
B. collide
C. slower
D. None of these
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Answers & Comments
Answer:
10.b.
11.a.
12.d.
13.a.
14.a.
15.a.
Answer:
10. A
11. C
13. A
14. C
15.B