Honors Wave Math

Which of the following measures "how many times" something happens in a fixed amount of time?

• frequency

• period

• wavelength

• amplitude

True or False: Frequency and Period are opposites

• true

• false

Which of the following measures the length of time for exactly one cycle?

• frequency

• period

• wavelength

• amplitude

How is frequency calculated?

• # of cycles / time

• time / # of cycles

• time multiplied with # of cycles

• time + # of cycles

A ball bounces 25 times in 40 seconds. What is the frequency?

• 0.625 Hz

• 15 Hz

• 65 Hz

• 0.375 Hz

A timer has a frequency of 500 Hz. Find the the period of the beeping timer.

• 0.001s

• 0.002s

• 0.003s

• 0.004s

How is period calculated?

• time / # of cycles

• # of cycles / time

• time multiplied with # of cycles

• time + # of cycles

25 Waves pass by an ocean dock over 10 seconds. Find the period of the wave.

• 0.4s

• 15s

• 35s

• 0.125s

Find the frequency of a wave whose period is 0.04s

• 15 Hz

• 20 Hz

• 25 Hz

• 30 Hz

It takes 1.4s for a child to go back and forth on a swingset. How many times can they swing back and forth in 10s?

• 14

• 7.14

• 8.6

• 11.4