Wave Calculations

Six waves go past a fixed point in two seconds. What is the frequency of the wave?

• 3

• 6 Hz

• 3 Hz

• 2

20 waves go past a fixed point in 10 seconds. What is the frequency of the wave?

• 20 seconds

• 20 Hz

• 2 Hz

• 2

A wave has a frequency of 6 Hz. What is the period of the wave?

• 0.167 s

• 6 m

• 0.167

• 6 Hz

A wave has a frequency of 50 Hz. What is the period of the wave?

• 2 m

• 0.02

• 25 m

• 0.02 s

A radio wave has a wave length of 4 m and a frequency of 4 Hz. What is the speed of the wave?

• 16 m/s

• 16 m

• 4 Hz

• 8 m/s

Tags

NGSS.HS-PS4-1

A sound wave has a frequency of 96 Hz and a wavelength of 0.5 m. What is the speed of the wave?

• 48 m

• 96 m/s

• 48 m/s

• 96 m

Tags

NGSS.HS-PS4-1

Compared to a low pitch wave, a high pitch wave will have a

• higher frequency and shorter wavelength

• higher frequency and longer wavelength

• larger amplitude and shorter wavelength

• smaller amplitude and shorter wavelength

Tags

NGSS.MS-PS4-1

Volume is the human perception if a wave's amplitude. Higher decibels relates to

• shorter wavelength

• longer wavelength

• larger amplitude

• smaller amplitude

Tags

NGSS.MS-PS4-1

The speed of a wave is 50 m/s. It's wavelength is 1.6 m. What is the frequency of the wave?

(v = f × λ and f = v / λ)

• 31.25 Hz

• 25 Hz

• 31.25 H

• 25

Particles in a longitudinal wave travel

• perpendicular to the direction of travel

• parallel to the direction of travel

• perpendicular to the direction of peaks

• parallel to the direction of the amplitude