Questions
Which of the following figure represents damped harmonic motion
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a
1 & 2
b
2 & 3
c
1,2,3 & 4
d
2 & 4
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Correct option is D
differential equation of damped harmonic oscillator is d2xdt2+2bdxdt+ω2x=0 where x is displacement of oscillator option 2 represents under damped motion, when b2<ω2, here b2-ω2 is imaginary, and amplitude =ae-bt, time period T=2πω2-b2 option 4 represents over damped motion, when b2>ω2, here b2-ω2 is realSimilar Questions
The amplitude of a damped oscillator becomes half in one minute. The amplitude after 3 minute will be times the original, where X is
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