When an oscillator completes 100 oscillation its amplitude reduced to 
of initial value. What will be its amplitude, when it completes 200 oscillation:
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
Its is a damped oscillation, where amplitude of oscillation at time 
is given by 
where 
initial amplitude of oscillation
damping constant
As per question, 
(i)
(where v is the frequency of oscillation)
and 
....(ii)
From (i); 
… .(iii)
Dividing equation (ii) by (iii), we have
or 
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