Sound

pitch

effect produced in the ear due to the sound of a particular frequency.

loudness

subjective term describing the strength of the ear’s perception of a sound.

low pitch

low frequency

high pitch

high frequency

what affects loudness

amplitude

loud

large amplitude

soft

small amplitude

tone quality

affected by wave patterns

what detects the wave pattern

an oscilloscope

relationship between pitch and frequency

directly proportional

echo

the reflection of sound waves from a hard surface like walls and cliffs as the reflected sound is heard as a separate sound after an interval of silence

reverberation

when the reflecttive sound is close and the two sounds merge

ultra wave

a sound with frequency lowest at 20KHz and highest at 100KHz and isn’t audible for the human ear

uses for ultrasounds

medical, sonar and cleaning jewelry

how is sound created

created by vibrations in a medium in the direction of propagation by means of longitudinal waves