Chapter 7 Waves

The waves shown below travel at the same speed. Which has the greater amplitude?

• Wave A

• Wave B

• They have the same amplitude.

• There is not enough information to answer.

What does A represent in the diagram?

• rarefaction

• antinodes

• compression

• nodes

What does D represent?

• trough

• amplitude

• crest

• wavelength

What are the highest and lowest points on a standing wave called?

• antinodes

• interfering nodes

• nodes

• compression nodes

What does C represent?

• trough

• amplitude

• crest

• wavelength

Waves that move the particles of the medium perpendicular to the direction in which the wave is traveling are called _______________.

• transverse waves

• mechanical waves

• longitudinal waves

• surface waves

Which statement is true about the waves in this diagram?

• Wave A has the greatest frequency.

• Wave B has the greatest frequency.

• Wave C has the greatest frequency.

• Waves A, B & C have the same frequency.

• Wave A has greater frequency.

• Wave B has greater frequency.

• Wave A & B have the same frequency.

  
  

Mechanical waves are created when a source of energy causes a medium to _________________.

• vibrate

• expand

• compress

• move

When an incoming wave combines with a reflected wave in such a way that the combined wave appears to be standing still, the result is a _____

• transverse wave

• standing wave

• longitudinal wave

• mechanical wave