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12. | In forced oscillation of a particle, the amplitude is maximum for a frequency ω1 of the force, while the energy is maximum for a frequency ω2 of the force. Then | |
A. | ω1=ω2 | |
B. | ω1 is lessed than ω2 | |
C. | ω1 is lesser than ω2, when damping is small and ω1 is greater than ω2, when damping is large | |
D. | ω1 is lesser than ω2 | |
Answer: Option A | |
Explanation: | |
Only in case of resonance, both the amplitude and energy of oscillation are maximum. Hence, ω1=ω2. |
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