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In case of a forced vibration, the reson...

In case of a forced vibration, the resonance wave becomes very sharp when the

A

applied periodic force is smaal

B

quality factor is small

C

damping force is small

D

restoring force is small

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The correct Answer is:
C
In this case, sharp resonance will take place. But if it reduces by a small factor, then flat resonance will take place. The sharp and flat resonance will depend on damping present in the body executing resonant vibrations. Less the damping, greater will be sharpness.
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Assertion : Resonance is special case of force vibration in which the nature frequency of vebration of the body is the same as the impressed frequency of external periodic force and the amplitude of force vibration is maximum Reason: The amplitude of forced vibrations of a bodyincrease with an increase in the frequency of the externally impressed perioic force

MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-OSCILLATIONS-EXERCISE 1
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  7. The time period of a simple pendulum in a stationary train is T. The t...

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  8. In case of a simple pendulum, time period versus length is depicted by

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  9. A simple spring has length l and force constant K. It is cut into two ...

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  10. A particle of mass 200 g executes a simpel harmonit motion. The resrto...

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  11. A massless spring, having force constant k, oscillates with frequency ...

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  12. An object suspended from a spring exhibits oscillations of period T. N...

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  13. If k(s) and k(p), respectively are effective spring constants in serie...

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  14. If f is the frequency when mass m is attached to a spring of spring co...

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  16. In the figure, S(1) and S(2) are identical springs. The oscillation fr...

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  17. A clock S is based on oscillations of a spring and clock P is based on...

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  18. In case of a forced vibration, the resonance wave becomes very sharp w...

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  19. The amplitude of damped oscillator becomes 1/3 in 2s. Its amplitude af...

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  20. If the differential equation given by (d^(2)y)/(dt^(2))+2k(dy)/(dt)+om...

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