Lesson T4.1.2
T4.1.2 Sound waves and their speed Quiz: KS3 Physics, Unit 4
20 questions
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Lesson T4.1.2, Sound waves and their speed: 20 multiple choice questions for the KS3 Physics (National Curriculum), Unit 4: Waves, written with Revision Ninja.
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The 20 questions
-
What do sound waves require in order to travel through space?
- A vacuum
- High temperature
- A magnetic field
- A medium
-
Which unit is used to measure the frequency of sound?
- Seconds
- Hertz
- Decibels
- Metres
-
Which type of wave category do sound waves belong to?
- Longitudinal
- Electromagnetic
- Transverse
- Stationary
-
Through which medium does sound travel the fastest?
- Solids
- Liquids
- Gases
- A vacuum
-
What is the approximate speed of sound in air at room temperature?
- 340 m/s
- 1500 m/s
- 34 m/s
- 300 000 km/s
-
What is the speed of sound if it travels 340 m in 1 s?
- 340 m/s
- 680 m/s
- 170 m/s
- 34 m/s
-
Roughly how far does sound travel in air in 3 seconds?
- 3000 m
- 100 m
- 1020 m
- 340 m
-
How does the speed of sound in water compare to air?
- Equal speed
- Faster in air
- Faster in water
- Zero in water
-
What is produced by a rapidly moving loudspeaker cone?
- Water waves
- Light waves
- Magnetic fields
- Sound waves
-
Which part of the human ear is first set in motion by sound?
- The auditory nerve
- The eardrum
- The cochlea
- The stirrup bone
-
What does a microphone diaphragm do when sound waves reach it?
- It vibrates
- It dissolves
- It warms up
- It expands
-
Why does sound travel fastest in solid steel compared to air?
- Particles are closer
- Particles are warmer
- Particles are heavier
- Particles are larger
-
What is the typical hearing frequency range for a healthy human?
- 1 Hz to 100 Hz
- 200 Hz to 2 000 Hz
- 1 000 Hz to 100 000 Hz
- 20 Hz to 20 000 Hz
-
Which type of sound wave has the highest frequency?
- High-pitched whistle
- Bass guitar note
- Low rumble
- Deep foghorn
-
What is the term for sound waves with frequencies above human hearing?
- Ultrasound
- Supersonic
- Infrasound
- Microwave
-
What are the regions of high pressure in a longitudinal wave called?
- Compressions
- Troughs
- Crestsh
- Refractions
-
Why can sound not travel through the vacuum of space?
- Temperature is too low
- Light blocks it
- Gravity is too high
- No particles exist
-
Which wave property determines the pitch of a musical note?
- Speed
- Wavelength
- Frequency
- Amplitude
-
What name is given to a region where particles are pushed together in a sound wave?
- Rarefaction
- Node
- Amplitude
- Compression
-
What is the time period for one vibration of a 512 Hz sound wave?
- 0.5 s
- 0.002 s
- 2.56 s
- 512 s
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