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 correct option is: The person sings at the same frequency as the piano wire, called the resonance frequency. By matching the frequency of their voice to the resonance frequency of the piano wire, the person can create vibrations that cause the piano wire to vibrate.