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Sound Waves by Mind Map: Sound Waves
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Sound Waves

Similarities and Difference between light and sound waves

Similarity

Difference

Sound is propagated in the form of longitudinal waves such that the particles of the medium vibrate backwards and forwards in a direction parallel to the direction of propagation of the wave itself

Sound Properties and their perception

Pitch

Loudness

Propagation of Sound

Production

Motion

Waveforms

Audible frequencies

For Humans, their range of audible frequencies is from 20Hz to 20KHz

Their range of audible frequencies decrease when they get older and their ears shall lose sensitivity to high and low frequencies

Sound that are below the lower hearing limit are called infrasound

Sound that are above the upper hearing limit are called ultrasound

Examples of animals that can hear infrasound ansd ultrasound are dogs, bats and dolphins

Transmission of Sound

Medium

Factors

Ultrasound

Sound that are above the upper hearing limit,i.e, more than 20KHz

Examples of Ultrasound use

Speed Of Sound

Sound travel at different speed in solids,liquids and gas.

Reflection of Sound

Echo

Reverberation