AMPLITUDE, TIME PERIOD AND FREQUENCY OF A VIBRATION We have learnt that the to and fro motion of an object is known as vibration. This motion is also called oscillatory motion . You have already
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LOUDNESS AND PITCH Activity 13.11: * Take a metallic tumbler and a tablespoon. * Strike the tablespoon gently at the brim of the tumbler. * Hear the sound
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AUDIBLE AND INAUDIBLE SOUNDS We know that we need a vibrating body for the production of sound. Can we hear the sound of all vibrating bodies? The fact is that sounds of frequencies less than about
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