In damped vibrations, as time progresses, amplitude of oscillation
A
decreases
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B
increases
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C
Remains same
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D
Data insufficient
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Solution
The correct option is A decreases In damped oscillations, the relation of amplitude of oscillations with time is given by y=yoe−bt=yoe−bt, where yo= initial amplitude of oscillation t=time b=damping constant since b>0&t>0; ebt>1⇒e−bt<1⇒yoe−bt<yo⇒y<yo which means that as the time progress, its amplitude will decrease.