Frequency and Period

If the speed of a sound wave is 340 m/s and its wavelength is 0.5 meters, what is its frequency?

• 170 Hz

• 340 Hz

• 0.17 Hz

• 680 Hz

Find the frequency of a wave whose period is 0.04s

• 15 Hz

• 20 Hz

• 25 Hz

• 30 Hz

Tags

NGSS.HS-PS4-1

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

• 0.001s

• 0.002s

• 0.003s

• 0.004s

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

• frequency

• period

• wavelength

• amplitude

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

• frequency

• period

• wavelength

• amplitude

What is the unit for frequency?

• Hertz (Hz)

• seconds (s)

• meters (m)

• Newtons (N)

What is the unit for period?

• Hertz (Hz)

• seconds (s)

• meters (m)

• Newtons (N)

(# of cycles / time) calculates which of the following?

• frequency

• period

• wavelength

• amplitude

Tags

NGSS.HS-PS4-1

(times / # of cycles) calculates which of the following?

• frequnecy

• period

• wavelength

• amplitude

Tags

NGSS.HS-PS4-1

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

• 0.625 Hz

• 15 Hz

• 65 Hz

• 0.375 Hz

Tags

NGSS.MS-PS4-1