4. Sound waves do not travel through B. liquids C. gases 5. A source of 500 Hz frequency emits waves of wavelength 0.4 m. How long does the waves take to A. solids D. vacuum travel 600 m? В. 65 C. 9 s А. 3s 6. An ultrasonic wave is sent from a ship towards the bottom of the sea. It is found that the time interval between the sending and receiving of the wave is 1.6 s. What is the depth of the sea, if the velocity of sound in seawater is 1400 m/s? D. 12 s C. 1,120 m _7. At what temperature, the speed of sound in air will becomes double of its value at 27°C? C. 327°C A. 112 m B. 560 m D. 1,400 m A. 27°C B. 54 °C D. 927°C 8. The first overtone of a stretched wire of a given length is 320 Hz. The first harmonic is A. 640 Hz C. 320 Hz B. 480 Hz D. 160 Hz _9. An aircraft is moving away from you at half the speed of sound, which, on that day is about 340 m/s. The jet engines make a sound that is primarily about 300 Hz. What is the apparent frequency of the jet engines? A. 150 Hz В. 200 Hz C. 470 Hz D. 600 Hz 10. What is the frequency heard by a stationary observer when a train approaches with a speed of 30m/s? The frequency of the train horn is 600 Hz and the speed of sound is 340 m/s A. 570 Hz B. 630 Hz C. 653 Hz D. 658 Hz
4. Sound waves do not travel through B. liquids C. gases 5. A source of 500 Hz frequency emits waves of wavelength 0.4 m. How long does the waves take to A. solids D. vacuum travel 600 m? В. 65 C. 9 s А. 3s 6. An ultrasonic wave is sent from a ship towards the bottom of the sea. It is found that the time interval between the sending and receiving of the wave is 1.6 s. What is the depth of the sea, if the velocity of sound in seawater is 1400 m/s? D. 12 s C. 1,120 m _7. At what temperature, the speed of sound in air will becomes double of its value at 27°C? C. 327°C A. 112 m B. 560 m D. 1,400 m A. 27°C B. 54 °C D. 927°C 8. The first overtone of a stretched wire of a given length is 320 Hz. The first harmonic is A. 640 Hz C. 320 Hz B. 480 Hz D. 160 Hz _9. An aircraft is moving away from you at half the speed of sound, which, on that day is about 340 m/s. The jet engines make a sound that is primarily about 300 Hz. What is the apparent frequency of the jet engines? A. 150 Hz В. 200 Hz C. 470 Hz D. 600 Hz 10. What is the frequency heard by a stationary observer when a train approaches with a speed of 30m/s? The frequency of the train horn is 600 Hz and the speed of sound is 340 m/s A. 570 Hz B. 630 Hz C. 653 Hz D. 658 Hz
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Transcribed Image Text:4. Sound waves do not travel through
B. liquids
C. gases
5. A source of 500 Hz frequency emits waves of wavelength 0.4 m. How long does the waves take to
A. solids
D. vacuum
travel 600 m?
A. 3 s
В. 65
C. 9 s
D. 12s
6. An ultrasonic wave is sent from a ship towards the bottom of the sea. It is found that the time
interval between the sending and receiving of the wave is 1.6 s. What is the depth of the sea, if the
velocity of sound in seawater is 1400 m/s?
A. 112 m
B. 560 m
C. 1,120 m
D. 1,400 m
_7. At what temperature, the speed of sound in air will becomes double of its value at 27°C?
A. 27°C
B. 54 °C
С. 327°С
D. 927°C
8. The first overtone of a stretched wire of a given length is 320 Hz. The first harmonic is
A. 640 Hz
B. 480 Hz
С. 320 Hz
D. 160 Hz
9. An aircraft is moving away from you at half the speed of sound, which, on that day is about 340
m/s. The jet engines make a sound that is primarily about 300 Hz. What is the apparent frequency of the
jet engines?
A. 150 Hz
B. 200 Hz
C. 470 Hz
D. 600 Hz
10. What is the frequency heard by a stationary observer when a train approaches with a speed of
30m/s? The frequency of the train horn is 600 Hz and the speed of sound is 340 m/s
A. 570 Hz
В. 630 Hz
C. 653 Hz
D. 658 Hz
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