In which case will a beat frequency most likely occur?(1 point)

Responses

two of the same instrument playing notes at the same frequency
two of the same instrument playing notes at the same frequency

two different instruments playing notes at very different frequencies
two different instruments playing notes at very different frequencies

two different instruments playing notes at the same frequency
two different instruments playing notes at the same frequency

two of the same instrument playing notes at slightly different frequencies
two of the same instrument playing notes at slightly different frequencies

1 answer

A beat frequency most likely occurs in the case of two of the same instrument playing notes at slightly different frequencies. This is because beat frequencies arise from the interference of two waves that are close in frequency, producing periodic variations in amplitude that are heard as beats.