term1 Definition1term2 Definition2term3 Definition3
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1-sound waves are longitudinal waves.
2- Sound waves characterized by compression (A) & refraction (B).
1-wave length:the distance between two successive points in the wave that are characterized by the same phase of oscillation.
2- Frequency: the number of waves that pass a fixed point in unit time.
1-Sound waves spread faster in the stiff matter.
2-Sound waves travel more faster in solid then liquid then gas as the particles more compressed & stiff in solids than liquid & gas.
1-Hertz is the measurement unit of frequency .
2-1 Hertz >>1 cycle per second above and below the atmospheric pressure line.
1-pitch of sound :Adescription of how sound seems high or low to a person.
2- loudness:Adescription of your awareness of the energy of a sound.
1- Stiffness affect the spread out of sound waves.
2- Sound Waves travel slower in gas, faster in liquid & fastest in solid as the particles are compressed & close to each other.
1-Amplitude is the distance of the crest or troughs of a wave form from the neutral line.
2-Decibel is the smallest unit measurement of sound waves.
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