Properties of Sound Answers

Which describes a scenario in which the Doppler effect is occurring?

How is a less-intense wave different from a more-intense wave?

Evelynn is measuring the pitch of a piano note. What unit of measurement is she most likely recording her value in?

Four different observers are standing in a straight line on a street and hear a siren from a police car. Each person recorded their observations in the chart shown.

Which refers to the amount of energy in a sound wave per unit of time and is also related to the loudness of a sound?

Which refers to the highness or lowness of a sound?

Jamie hears a high-pitched sound that then changes to a low-pitched sound. What is most likely occurring?

What is the difference between sounds that have the same pitch and loudness?

What does resonance result in?

What increases as sound waves increase in frequency?