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(C) Normal modes of oscillation are specific patterns of vibration in a system where every part of the system oscillates sinusoidally with the same fr

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The patterns of vibration in which all parts of the system oscillate with the same frequency.

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(C) Normal modes of oscillation are specific patterns of vibration in a system where every part of the system oscillates sinusoidally with the same frequency. In these modes,the system moves as a whole,and the relative amplitudes of different parts remain constant over time. For a system like a string fixed at both ends,these correspond to the fundamental frequency and its harmonics (overtones). Therefore,the correct description is that they are patterns of vibration in which all parts of the system oscillate with the same frequency.

What are called normal modes of oscillation of a system?

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