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Questions and Answers
What is the speed of sound in air at 0°C?
What is the speed of sound in air at 0°C?
- 343 m/s
- 375 m/s
- 360 m/s
- 331 m/s (correct)
Which of the following materials is a good conductor of sound?
Which of the following materials is a good conductor of sound?
- Rubber
- Steel (correct)
- Cork
- Wood
What is the unit of frequency?
What is the unit of frequency?
- Newton
- Hertz (correct)
- Joule
- Watt
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Study Notes
Speed of Sound
- The speed of sound in air at 0°C is 331.3 meters per second (m/s)
Conductor of Sound
- Metals are good conductors of sound
Frequency Unit
- The unit of frequency is the Hertz (Hz)
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