Musical instruments and acousticsMusical InstrumentsMusical instruments produce sound through the vibration of strings, air columns, or membranes.The pitch of a sound is determined by the frequency of vibrations in the instrument.…
Ultrasonics, sonar, and echolocationUltrasonicsUltrasonics refers to sound waves with frequencies above the human hearing range, typically greater than 20,000 Hz.Ultrasonic waves have short wavelengths, allowing them to be highly…