Identify different characteristics of sound
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Sound travels in longitudinal waves. When drawn these are also called sinusoidal waves, a visual example of which is shown in (we will cover this in more detail in a different section).
Sound waves have frequency; that is, the pitch of sounds goes up or down.
The amplitude of a sound determines its volume (loudness).
Tone is a measure of the quality of a sound wave.
Sound travels faster in a hot meduim, or in a solid. It also travels faster at sea level (where air pressure is higher).
Sound intensity is the energy transmitted over a certain area. Intensity is a measure of the sound's frequency.
Ultrasound uses sound waves with high frequencies to see things normally hard to detect, like tumors. Animals, like bats and dolphins, use ultrasound (echolocation) to navigate and locate things. Ships also use a similar technique (known as SONAR) to locate things underwater. (This point will be discussed further in a more advanced Atom. )
Sound waves have frequency; that is, the pitch of sounds goes up or down.
The amplitude of a sound determines its volume (loudness).
Tone is a measure of the quality of a sound wave.
Sound travels faster in a hot meduim, or in a solid. It also travels faster at sea level (where air pressure is higher).
Sound intensity is the energy transmitted over a certain area. Intensity is a measure of the sound's frequency.
Ultrasound uses sound waves with high frequencies to see things normally hard to detect, like tumors. Animals, like bats and dolphins, use ultrasound (echolocation) to navigate and locate things. Ships also use a similar technique (known as SONAR) to locate things underwater. (This point will be discussed further in a more advanced Atom. )
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Characteristics of sound :
--> Frequency
-->Amplitude
-->Wavelength
=====================================================================================
Frequency :-
=>No: of waves formed in 1 sec is known as the frequency of sound wave.
=>SI Unit is Hertz(Hz)
------------------------------------------------------------------------------------------------------------------------------------------------------------
Amplitude :-
=>Maximum displacement to either side of the mean position is known as Amplitude.
=>Its SI Unit is metre(m).
--------------------------------------------------------------------------------------------------------------------------------------------------
Wavelength :-
=>The length of 1 wave is known as wavelength.
=>The distance between two consecutive crests/ trough is also known as wavelength.
=>Its SI Unit is metre(m).
----------------------------------------------------------------------------------------------------------------------------------------------------
--> Frequency
-->Amplitude
-->Wavelength
=====================================================================================
Frequency :-
=>No: of waves formed in 1 sec is known as the frequency of sound wave.
=>SI Unit is Hertz(Hz)
------------------------------------------------------------------------------------------------------------------------------------------------------------
Amplitude :-
=>Maximum displacement to either side of the mean position is known as Amplitude.
=>Its SI Unit is metre(m).
--------------------------------------------------------------------------------------------------------------------------------------------------
Wavelength :-
=>The length of 1 wave is known as wavelength.
=>The distance between two consecutive crests/ trough is also known as wavelength.
=>Its SI Unit is metre(m).
----------------------------------------------------------------------------------------------------------------------------------------------------
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