Wave Practice

The musical note A above middle C has a frequency of 440 Hz. If the speed of sound is known to be 350 m/s, what is the wavelength of this note?

• .79 m

• .8 m

• .69 m

• .78 m

Tags

NGSS.HS-PS4-1

A string is 1.5 meters long and is vibrating at the first harmonic. The string vibrates up and down with 33 cycles in 10 seconds. Determine the frequency, period, wavelength, and speed for this wave.

• 4.54 Hz, .22 s, 4 m, 18.16 m/s

• 3.3 Hz, .3 s, 3 m, 10 m/s

• 2.38 Hz, .42 s, 2.5 m, 5.95 m/s

• 4.16 Hz, .24 s, 3.28 m, 13.64 m/s

Tags

NGSS.HS-PS4-1

Determine the period of the wave using the position vs time graph below, then convert to frequency.

• 6 s, .16 Hz

• 2 s, .5 Hz

• 1 s, 1 Hz

• .7 s, 1.4 Hz

Tags

NGSS.HS-PS4-1

What is the period of a wave that has a frequency of 735 Hz?

• .093 s

• .625 s

• 2 s

• .001 s

Tags

NGSS.HS-PS4-1

The lowest pitch that the average human can hear has a frequency of 20 Hz. If sound with this frequency travels through the air with a speed of 331 m/s, what is the wavelength?

• 16.55 m

• .013 m

• .79 m

• 160,000 m

Tags

NGSS.HS-PS4-1

A buoy bobs up and down in the ocean. The waves have a wavelength of 2.5 m, and they pass the buoy at a speed of 4 m/s. What is the frequency of the waves? How much time does it take for one wave to pass under the buoy? (What is the period?)

• 22,000 Hz, 4.5x10^-5 s

• 1.6 Hz, .625 s

• 3.29x10¹⁴ Hz, 2 s

• 1.96x10⁷ Hz, .001 s

Tags

NGSS.HS-PS4-1

Yellow light with a wavelength of 5.89x10^-7 m travels through quartz glass with a speed of 1.94x10⁸ m/s. What is the frequency of the light?

• 22,000 Hz

• .093 Hz

• 3.29x10¹⁴ Hz

• 1.6 Hz

Tags

NGSS.HS-PS4-1

A string that is 6 meters long is vibrating at the third harmonic. It vibrates up and down with 45 cycles in 10 seconds. Determine the frequency, period, wavelength, and speed for this wave.

• 2.38 Hz, .42 s, 2.5 m, 5.95 m/s

• 4.16 Hz, .24 s, 3.28 m, 13.64 m/s

• 3.3 Hz, .3 s, 3 m, 10 m/s

• 4.45 Hz, .22 s, .4 m, 18.16 m/s

Tags

NGSS.HS-PS4-1

A string is 5 meters long and is vibrating at the fourth harmonic. It vibrates up and down with 48 cycles in 20 seconds. Determine the frequency, period, wavelength, and speed for this wave.

• 2.38 Hz, .42 s, 2.5 m , 5.95 m/s

• 4.54 Hz, .22 s, .4 m, 18.16 m/s

• 4.16 Hz, .24 s, 3.28 m, 13.64 m/s

• 3.3 Hz, .3 s, 3 m, 10 m/s

Tags

NGSS.HS-PS4-1

A string is 8.2 meters long and is vibrating at the fifth harmonic. It vibrates up and down with 21 cycles in 5 seconds. Determine the frequency, period, wavelength, and speed for this wave.

• 3.3 Hz, .3 s, 3 m, 10 m/s

• 4.16 Hz, .24 s, 3.28 m, 13.94 m/s

• 4.54 Hz, .22 s, .4 m, 18.16 m/s

• 2.38 Hz, .42 s, 3.28 m, 5.95 m/s

Tags

NGSS.HS-PS4-1