Two identical piano wires have same fundamental frequency when kept un – McqOptions

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1.	Two identical piano wires have same fundamental frequency when kept under the same tension. What will happen if tension of one of the wire is slightly increased and both the wires are made to vibrate simultaneously? [CDS]
A.	Noise
B.	Beats
C.	Resonance
D.	Non-linear effects
Answer» D. Non-linear effects

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