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Quiz Review

Sound waves

QuestionAnswer
Diffraction The Change in direction of a wave when it encounters an obstacle
Refraction The bending of waves as they pass from one medium to another at an angle
Standing Wave A pattern of vibration that resembles a stationary wave.
Reflection The bouncing back of a wave when it meets a surface or boundary
Constructive Interference Interference that increases amplitude
Destructive Interference Interference that decreases amplitude
Principal of Superposition Method of adding crests and troughs of interfering waves together to describe a new wave
Beats Sounds produced by interference of sound waves that are used to tune piano strings
Interference The combination of two or more waves that result in a single wave
Nodes Points in a standing wave that have no vibration due to destructive interference
Sound Sound is a type of energy that travels through a material like air, water, or solids as vibrations
Pitch Makes a sound seem louder or quiet
Infrasonic Infrasonic refers to sound waves that have frequencies below the lower limit of human hearing.
Ultrasonic Ultrasonic refers to sound waves that have a frequency higher than what humans can hear.
Doppler The Doppler effect is when the frequency or wavelength of a wave changes because the source of the wave and the observer are moving relative to each other.
Acoustics Acoustics is the branch of science that studies sound—how it is produced, how it travels, and how it interacts with different materials and environments
Created by: user-2022371
 

 



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