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Questions and Answers
What is the primary focus of Class 9 sound?
What is the primary focus of Class 9 sound?
- The cultural impact of music
- The anatomy of the human ear
- The history of sound recording
- The properties and behavior of sound waves (correct)
What is the speed of sound in air at room temperature?
What is the speed of sound in air at room temperature?
- 500 meters per second
- 343 meters per second (correct)
- 1500 meters per second
- 1000 meters per second
What determines the pitch of a sound?
What determines the pitch of a sound?
- Length of the sound wave
- Speed of the sound wave
- Frequency of the sound wave (correct)
- Amplitude of the sound wave
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