Speed of Sound Worksheet
Explore the factors affecting the speed of sound and its applications in this Grade 10 Physics worksheet.
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Speed of Sound
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Read each question carefully and answer to the best of your ability. Show all your work for calculations.
1. Which of the following factors primarily affects the speed of sound in a medium?
Amplitude of the sound wave
Frequency of the sound wave
Temperature and elasticity of the medium
Pitch of the sound
2. In which medium does sound travel the fastest?
Air
Water
Steel
Vacuum
3. Sound waves are waves, meaning the particles of the medium vibrate parallel to the direction of wave propagation.
4. The speed of sound in air at 0°C is approximately m/s.
5. Explain why sound cannot travel through a vacuum.
6. Increasing the temperature of a medium generally decreases the speed of sound.
True
False
7. A thunderclap is heard 5 seconds after lightning is seen. If the speed of sound in air is 343 m/s, how far away is the lightning strike?
Match the term with its definition.
8. Elasticity
a. The distance traveled by a wave in one period.
9. Density
b. The property of a material to return to its original shape after deformation.
10. Wavelength
c. Mass per unit volume of a substance.
11. Observe the diagram of a sound wave below. Label the compressions and rarefactions.
