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Questions  

A particle is executing damped oscillation along a straight line. Then select the right option.

a
Amplitude of oscillation remains the same.
b
Frequency of oscillation remains the same.
c
Maximum velocity of the particle remains the same.
d
Both (2) and (3) are correct.

detailed solution

Correct option is D

In damped oscillation, amplitude of oscillation deceases exponentially according to the equation   At=A0e−bt/2m  where ‘b’ is the damping coefficient, ‘m’ is mass of the particle and A0 is The initial amplitude at t = 0.Angular frequency of oscillation ω=km.−b2m2  remainsUnchanged during the course of oscillation.

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