Waves Final

For any wave:

amplitude describes ​ (a)  

wavelength describes ​ (b)  

frequency describes ​ (c)  

speed describes ​ (d)  

• how far the medium is displaced
• its length
• how often it occurs
• how quickly it moves

If a transverse wave travels 10 meters in 2 seconds, what is its speed?

• 20 m/s

• 5 m/s

• 0.2 m/s

• 12 m/s

Drag and drop the options below to complete the missing sections in the chart.

d

e

f

g

34.3

7.5

106.7

20

300000

1500

0.94

A represents: ​ (a)  

B represents: ​ (b)  

C represents: ​ (c)  

D represents: ​ (d)  

• amplitude
• Wavelength
• crest
• trough
• compression
• rarefaction

The less energy a wave has, the smaller its __________

• crest

• frequency

• amplitude

Frequency is measured in ____

• periods

• nanoseconds

• hertz

• meters

When one part of a vibration causes air particles to spread out, they form a ​ (a)  

When one part of a vibration pushes air particles together, they form a ​ ​ (b)  

• rarefaction
• compression
• reflection
• diffraction

Sound waves can travel through which of the following? (There may be more than one correct answer)

• solids

• liquids

• gases

• empty space/vacuums

On the diagram, what is the distance of the wavelength?

• point A to point F

• point A to point B

• point B to point E

• point A to point g

Which type of wave DOES NOT need a medium to travel?

• sound wave

• water wave

• light wave