How can a person sing into a piano and cause a piano wire to vibrate?

The person sings at the same frequency as the piano wire, called the resonance frequency.

The person sings at a different frequency than the piano wire, called the beat frequency.

The person sings at a different frequency than the piano wire, called the resonance frequency.

The person sings at the same frequency as the piano wire, called the beat frequency.

1 answer

The person sings at the same frequency as the piano wire, called the resonance frequency.
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