Two sources of sound are in resonance whenA. they look likeB. they are situated at a particular distance from each otherC. they produce the sound of same frequencyD. they are excited by the same excittng device

Two sources of sound are in resonance whenA. they look likeB. they are

1.	Two sources of sound are in resonance whenA. they look likeB. they are situated at a particular distance from each otherC. they produce the sound of same frequencyD. they are excited by the same excittng device
Answer» Correct Answer - C (c) Two sources of sound are in resonance when they produce the sound of same frequency.

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Two sources of sound are in resonance whenA. they look likeB. they are situated at a particular distance from each otherC. they produce the sound of same frequencyD. they are excited by the same excittng device

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