Waves and Sound Quiz Flashcards
air, water, metals
medium
how high or low a note is
pitch
repetitive series of pulses
periodic waves
number of waves produced per unit of time; f=1/T
frequency
to move back and forth
vibrate
transverse waves
particles in the medium PERPENDICULAR to the direction of the waves travel
longitudinal waves
PARALLEL to the direction of waves travel
surface waves
particles in medium that follow a circular path that is SOMETIMES PARALLEL to the direction and OTHER TIMES PERPENDICULAR to waves travel
A wave carries _____ through space.
energy
What are the names of the three bones that are evolutionarily important to human hearing?
the malleus, the incus, and the stapes
define period
the amount of time it takes for one complete cycle of motion, T; T: 1/F
What is the speed of sound in air at 20 degrees Celsius?
343 m/s
How do you determine the speed at any other degree Celsius?
For every 1 degree Celsius increase, the speed increases 0.6 m/s
What is the difference between S and P waves?
S waves cannot pass through molten (liquid rock), only solid; transverse waves.
P waves can pass through solid and liquid waves; longitudinal waves
What is the Doppler effect? Provide real-life examples of experiencing DE.
The change in frequency of sound caused by the movement of either source, the detector, or both
Ex:the siren from an ambulance, radar, audio equipment
