Mechanical Waves

Question 1

What are similarities and differences between traverse and longitudinal waves?

Question 2

When does the Doppler effect occur?

Answer 2

When there’s relative motion between the source, medium and observer.

Question 3

How does a loudspeaker create sound waves?

Answer 3

The loudspeaker cone adds a back and forth vibration to the thermal motion of the air particles.

Question 4

What does wave motion mean?

Answer 4

The vibrations which transfer energy from one place to another.