physics

Type of wave is motion, parallel to the direction of vibration

✔Longitudinal

Which type of wave is motion perpendicular to the direction of vibration

✔Transverse

What is a mechanical wave?

✔Requires medium

What is a electromagnetic wave?

✔No medium

What is the perceived change in pitch as a source moves closer or further away from an observer?

Higher

What happens to the perceived sound frequency as a sound source moves away from the observer

Lower

What happens to the perceived amplitude as the sound source moves closer to an observer?

Nothing

What is the principle describing in the interaction of waves called?

Superposition

When pulses with amplitude and opposite direction interact, what is the result?

Destructive

When pulses with amplitude in the same direction interact, what is the result?

Constructive

What is the phenomenon called when one frequency causes another object to vibrate

Resonance

What is the perceived change in pitch as a sound source moves closer to or farther away from an observer known as?

Doppler effect