Select the correct statement about sound waves from among the following.

The correct answer is High pitch sound has higher frequency.

Key Points

• Pitch refers to how high or low a sound seems to a listener.
• A high pitch sound corresponds to a higher frequency of the sound wave.
• Frequency is the number of vibrations per second of a sound wave.
• The human ear perceives sounds with higher frequency as having a higher pitch.

Additional Information

• Sound Waves
  • Sound waves are longitudinal waves, meaning that the vibration of particles in the medium is parallel to the direction of wave propagation.
  • Sound waves require a medium (solid, liquid, or gas) to travel through; they cannot travel through a vacuum.
• Frequency and Amplitude
  • Frequency is measured in Hertz (Hz) and indicates the number of sound wave cycles per second.
  • Amplitude refers to the height of the sound wave and is associated with the loudness or volume of the sound.
• Speed of Sound
  • The speed of sound depends on the medium through which it travels.
  • Sound travels faster in solids like steel, slower in liquids, and slowest in gases such as air.
  • For instance, sound travels at approximately 343 meters per second in air, while in steel it travels at about 5960 meters per second.