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A lightly damped oscillator with a frequency v is set in motion by a harmonic driving force of frequency v’. When v’ is lesser than v, then the response of the oscillator is controlled by ___________

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A lightly damped oscillator with a frequency v is set in motion by a harmonic driving force of frequency v’. When v’ is lesser than v, then the response of the oscillator is controlled by ___________

(a) Spring constant

(b) Inertia of the mass

(c) Oscillator frequency

(d) Damping coefficient

This question was addressed to me by my school teacher while I was bunking the class.

The query is from Oscillatory Motion in portion Oscillations of Engineering Physics I

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The correct choice is (a) Spring constant

To explain: Frequency of driving force is lesser than frequency v of a damped oscillator. The vibrations are nearly in phase with the driving force and response of the oscillator is controlled by spring constant.

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