Concept explainers
To Name: Two types of perception of sound and the physical characteristics of sound waves that corresponds to them.
Explanation of Solution
Introduction:
Sound waves are the combination of rarefactions and compressions which travel very slowly as compared to the light waves.
Two types of perception of sound:
- Pitch.
- Loudness.
Physical characteristics of pitch:
Pitch is independent of amplitude and intensity of a sound wave but depends very much upon the frequency of a sound wave. On increasing the frequency, the shrillness of a sound increases. Therefore, to get the pitch higher, the frequency should be higher.
Physical characteristics of loudness:
Amplitude of a sound wave is a main factor for loudness. There should be a greater amplitude to perceive the louder sound.
Conclusion:
Hence, the two types perception of sound are pitch and loudness. The pitch depends upon the frequency of a sound wave while the loudness depends upon the amplitude of a sound wave.
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