Waves on a String - Properties of Waves

Waves on a String

Properties of Waves

Multiple Choice

What do all waves carry?

• Energy

• Motion

• Particles

• Sound

Multiple Choice

The wavelength of the wave is equal to the distance between these two points.

• A and C

• B and F

• C and E

• D and F

Multiple Choice

Which of the following represents a trough of the wave?

• B

• D

• F

• B and F

Multiple Choice

Which of the following represents a crest of the wave?

• B

• D

• F

• B and F

Multiple Choice

What property of this wave is represented by the letter "A"

• amplitude

• crest

• trough

• wavelength

Multiple Choice

Which number represents the amplitude of the wave in the diagram?

• 1

• 2

• 3

• 4

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Multiple Choice

What is the wave's amplitude?

• 4 cm

• 5 cm

• 6 cm

• 8 cm

Multiple Choice

What is the wave's wavelength?

• 4 cm

• 2 cm

• 6 cm

• 8 cm

Multiple Choice

What choice best describes the frequency of a wave?

• How many waves occur in 1 second

• The time it takes for 1 wave to occur

Multiple Choice

Which wave has the highest frequency?

• 1

• 2

• 3

• 4

Poll

If a wave has a small amplitude, do you think it has low energy or high energy?

• Low energy

• High Energy

Amplitude & Energy

Frequency

• The number of vibrations (waves, cycles) that occur per second

• Unit is Hertz (Hz)

• 1 Hz = one wave per second

• High frequency carries high energy

Multiple Choice

Which graph has the higher amplitude?

• Graph A

• Graph B

Multiple Choice

If 10 waves pass every second, what is the period?

• 10

• 0.1 Hz

Multiple Choice

If 10 waves pass every second, what is the frequency?

• 10 Hz

• 0.1 Hz

Multiple Choice

If 6 waves pass in 2 seconds, what is the period?

• 6

• 3

• 2

• 0.33

Multiple Choice

If 6 waves pass in 2 seconds, what is the frequency?

• 6

• 3

• 2

• 0.33

Multiple Choice

A wave has frequency of 50 Hz and a wavelength of 10 m. What is the speed of the wave?

speed = wavelength x frequency

• 0.2

• 5

• 500

• 20

Multiple Choice

A wave has a wavelength of 2 meters and a frequency of 1.5 Hz.What is its speed?

speed = wavelength x frequency

• 0.75

• 3

• 1.33

• 3.5

Multiple Choice

A wave is 8 meters long and has a frequency of 3 Hz. Find its speed.

• .375

• 8

• 2.67

• 24

Multiple Choice

A wave has a period of 4 seconds. Find its frequency.

• 4

• 0.25

Multiple Choice

A kangaroo completes 2 hops in 4 seconds.  What is the period of the hops?

• 0.5

• 2

• 6

• 8

Multiple Choice

A kangaroo completes 3 hops in 4 seconds.  What is the frequency of the hops?

• 0.75

• 1.33

• 7

• 12