How can a person sing into a piano and cause a piano wire to vibrate?(1 point)
Responses
The person sings at the same frequency as the piano wire, called the beat frequency.
The person sings at the same frequency as 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 a different frequency than the piano wire, called the resonance frequency.
The person sings at the same frequency as the piano wire, called the resonance frequency.
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 the same frequency as the piano wire, called the resonance frequency.
What term is used to describe the combination of two traveling waves in the same material, which can be constructive or destructive depending on whether the waves meet in phase or out of phase?(1 point)
Responses
wavelength
wavelength
beat frequency
beat frequency
interference
interference
resonance frequency
interference
The wires in a piano vibrate, but fractions of the wire also vibrate at different frequencies than the whole wire. What is the term for the softer notes produced by these different frequencies?(1 point)
Responses
harmonics
harmonics
resonance
resonance
pitch
pitch
interference