A source emits sound at a fixed constant frequency f.If the source moves away from you, the frequency you hear is lower than f.
a. True
b. False
Indicate whether the statement is true or false
[Ques. 2] A wave moves in a rope with a certain wavelength. A second wave is made to move in the same rope with twice the wavelength of the first wave. The frequency of the second wave is half the frequency of the first wave.
a. True
b. False
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[Ques. 3] The speed of a wave is the same as the speed of the particles displaced by the wave.
a. True
b. False
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[Ques. 4] Waves carry energy.
a. True
b. False
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[Ques. 5] Regions of a longitudinal wave where the particles of the medium are squeezed together are called compressions.
a. True
b. False
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[Ques. 6] Sound in a vacuum is impossible.
a. True
b. False
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[Ques. 7] A sound wave in a metal bar is an example of a longitudinal wave.
a. True
b. False
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[Ques. 8] A water wave is an example of a transverse wave.
a. True
b. False
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[Ques. 9] When the frequency of the source of a water wave increases, the speed of the waves traveling in the water increases.
a. True
b. False
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[Ques. 10] When the frequency of the source of a water wave increases, the distance between successive peaks in the wave increases.
a. True
b. False
Indicate whether the statement is true or false
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