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Review Questions - Sound-4.2-textbook - Coggle Diagram
Review Questions - Sound-4.2-textbook
define the terms....
compression
lessening the dynamic range between the loudest and quietest part of an audio signal
tranverse wave
the medium vibrates at right angles to the direction of its propagation
frequency
number of waves that pass a fixed point in unit time
what term best describes each of the following?
movement of alternating compressions and rarefractions
longtudidal
energy carried away by wave moves in the same direction as the wave particles
distance a particle in a wave moves from its rest position
What unit is used to measure each of the following?
wave lengths
meter
speed of sound
frequency
hertz Hz
What is the speed of sound in air that is 18 degrees C
1231.1 km/h
What is the source of vibration in a flute?
column of air inside the instrument
Which of the following statements are true and which are false?
sound is produced by vibrations
true
a sound wave can travel in a vacuum
true
regions of high air pressures are called rarefractions
false
waves at the beach are called transverse waves
true