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Questions and Answers
What is the primary medium for the propagation of sound?
What is the primary medium for the propagation of sound?
- Steel
- Vacuum
- Air (correct)
- Water
What is the speed of sound in air at 20°C?
What is the speed of sound in air at 20°C?
- 1500 m/s
- 1800 m/s
- 343 m/s (correct)
- 760 m/s
Which of the following factors does not affect the speed of sound?
Which of the following factors does not affect the speed of sound?
- Humidity
- Frequency (correct)
- Pressure
- Temperature
What is the unit of measurement for the intensity of sound?
What is the unit of measurement for the intensity of sound?
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Study Notes
Sound Propagation
- Sound primarily propagates through a medium, which can be solid, liquid, or gas; air is the most common medium for everyday sound transmission.
Speed of Sound
- The speed of sound in air at a temperature of 20°C is approximately 343 meters per second (m/s).
Factors Affecting Sound Speed
- Various factors influence the speed of sound, including temperature, density, and elasticity of the medium; however, humidity does not significantly impact sound speed.
Sound Intensity Measurement
- The intensity of sound is measured in decibels (dB), which quantify the pressure level of sound relative to a reference level.
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Description
Test your knowledge of sound with this quiz on the propagation, speed, and factors affecting sound. Also, assess your understanding of the unit of measurement for the intensity of sound.
