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Questions and Answers
Which of the following is true about sources of sound?
Which of the following is true about sources of sound?
- They are only natural sounds
- They are only artificial sounds
- They produce vibrations of metals and glass
- They produce vibrations of strings/rods, membranes, bars or air columns (correct)
What is the frequency of a sound source?
What is the frequency of a sound source?
- The speed at which the sound source vibrates
- The pitch of the sound produced by the source
- The number of vibrations produced by the sound source (correct)
- The loudness of the sound produced by the source
What is the range of frequency that humans can hear?
What is the range of frequency that humans can hear?
- 30 Hz - 30,000 Hz
- 10 Hz - 10,000 Hz
- 40 Hz - 40,000 Hz
- 20 Hz - 20,000 Hz (correct)
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