list three characteristics of sound waves. state the factors on which each of these characteristics depend...
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Characteristics of sound:
Frequency can be defined as number of cycles per unit time. The unit of frequency is Hertz (Hz). 1Hz means that an event repeats once per second.
Time period of an event is the duration of time it takes to complete the event. For example, the time period of a pendulum is the time taken by the pendulum to complete one oscillation. Time period is the reciprocal of frequency.
Amplitude of sound: Amplitude of sound is the maximum displacement of sound wave from its mean position.
Loudness is a measure of response of our ear to sound. The unit of loudness is decibel. It depends on amplitude. If the amplitude is high, the loudness also will be high.
Pitch is the characteristic of sound which help us to distinguish sounds ofsame loudness but of different frequency . It depends on frequency. Greater the frequency, the greater will be the pitch. Pitch helps us to distinguish between voice of woman and man
Frequency can be defined as number of cycles per unit time. The unit of frequency is Hertz (Hz). 1Hz means that an event repeats once per second.
Time period of an event is the duration of time it takes to complete the event. For example, the time period of a pendulum is the time taken by the pendulum to complete one oscillation. Time period is the reciprocal of frequency.
Amplitude of sound: Amplitude of sound is the maximum displacement of sound wave from its mean position.
Loudness is a measure of response of our ear to sound. The unit of loudness is decibel. It depends on amplitude. If the amplitude is high, the loudness also will be high.
Pitch is the characteristic of sound which help us to distinguish sounds ofsame loudness but of different frequency . It depends on frequency. Greater the frequency, the greater will be the pitch. Pitch helps us to distinguish between voice of woman and man
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Wave Motion ;
When disturbance produced in one part of space travels to another part, without involving the transfer of any material with it, the motion of disturbance is called wave motion. The disturbance itself is called a wave.
There are two types of wave :
★ Longitudinal wave.
★ Transverse wave.
The characteristics of sound wave are ;
» Pitch : Pitch describes how the brain interprets the frequency of sound. The pitch of sound depends on its frequency.
» Loudness : The Loudness of sound depends on the amplitude of the sound wave.
» Quality : A musical instrument produces sounds of different frequencies.
When disturbance produced in one part of space travels to another part, without involving the transfer of any material with it, the motion of disturbance is called wave motion. The disturbance itself is called a wave.
There are two types of wave :
★ Longitudinal wave.
★ Transverse wave.
The characteristics of sound wave are ;
» Pitch : Pitch describes how the brain interprets the frequency of sound. The pitch of sound depends on its frequency.
» Loudness : The Loudness of sound depends on the amplitude of the sound wave.
» Quality : A musical instrument produces sounds of different frequencies.
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