plz answer it as quick as possible I need those for my exam give correct answer
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sorry but i only know the second part
amplitude is the maximum displacement of bob from its mean position to its extreme position.
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Wavelength is the distance between an adjacent comression and a rarefaction. In simple words the length of one complete wave.Its si unit is lambda.
Amplitude is the maximum displacement covered by the particles of a wave of a medium on either side from their original undisturbed position.Its si unit is metre.
Velocity of a wave is defined as the distance travelled by a wave in one second.Its si unit is metre per second
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