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Q1. Why don't the peaks of resonance curves equal one at the resonant frequency? Q2. Why...

Q1. Why don't the peaks of resonance curves equal one at the resonant frequency?

Q2. Why isn't the resonant curve symmetrical about the resonant frequency?

Science   Advanced-Physics   
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Answer #1

Since nothing is said about the resonance system, I am answering the question in a general sense of resonance.

If the exact case (for example LCR resonance) was provided, this could be explained with equations as well.

1) The peak of the resonance curve depends on whether the input frequency matches the natural frequency.

However, it also depends on the quality factor Q of the resonator. This factor is the quantity that determines the amount of energy lost during a cycle of the wave.

2) The resonant curve is symmetric around the resonant frequency. But this symmetry is visible only in the logarithmic scale.

Once we draw the graph on a logarithmic scale, where the values on X and Y axis are replaced by their logs, we will get a symmetric graph.

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