NO. I CANT LAUGH YET. IVE GOT TO HOLD IT IN. Flashcards
A
Wave
a propagating disturbance that transfers energy through a medium without physically transporting the medium itself
Medium
a material that moves energy or light from one substance to another, or from one location to another, or from one surface to another
Transverse Wave
a wave that oscillates perpendicularly to the direction of the wave’s advance
Compressional Wave
a wave where the movement of the medium, or the vibration or disturbance within the medium, is in the same or parallel direction as that of the motion of the wave
Sound Waves
longitudinal waves that travel through a medium like air or water
Water Waves
a combination of longitudinal and transverse waves and are surface waves
Seismic Waves
vibrations in the earth that transmit energy and occur during seismic activity
Crests
the highest point of the wave
Troughs
the minimum or lowest point of the wave
Refaction
the bending of a wave, like light, as it passes from one medium to another, causing a change in its direction due to a change in its speed as it enters a new medium with a different density
Wavelength
the distance between two consecutive identical points on a wave
Frequency
the number of waves that pass a given point in one second
Amplitude
the maximum displacement of a wave or vibrating object from its equilibrium position
Refraction
the change in direction of a wave passing from one medium to another caused by its change in speed
Diffractions
the bending or spreading out of waves as they pass through an opening or around an obstacle
Interference
the superposition of waves, causing an increase or decrease in the amplitude of the resulting wave
Standing Wave
a wave that oscillates in time but whose peak amplitude profile does not move in space
Resonance
the occurrence of a vibrating object causing another object to vibrate a higher amplitude
Eardrum
a thin membrane located in the outer ear that responds to sound waves by vibrating
Cochlea
the spiral-shaped structure located in the inner ear that functions as a key component of the hearing process
Intensity
the amount of energy transferred per unit area
Loudness
the property of sound which is used for differentiating between the loud and faint sounds
Decibel
a unit of measurement used to express the ratio of a physical quantity, usually sound intensity or power
Pitch
the measure of sound frequency expressed in terms of Hertz
Ultrasonic
sound waves with a vibration frequency greater than 20,000 Hz, beyond the range of human hearing
Doppler effect
the increase (or decrease) in the frequency of sound, light, or other waves as the source and observer move towards (or away from) each other
Overtone
any resonant frequency that is higher than the fundamental frequency of a sound
Acoustics
the science concerned with the production, control, transmission, reception, and effects of sound
Echolocation
the use of sound waves to determine the location of objects
Sonar
technique for detecting and determining the distance and direction of underwater objects by acoustic means
