AP Physics 1 Harmonics

The length of the tube is 2 meters. How long is the wavelength of the wave?

• 1 meter

• 2 meters

• 1/2 meter

• 1/4 meter

Tags

NGSS.HS-PS4-1

The pictured tube is 1.2 meters long. What is the wavelength of the wave inside?

• .6 m

• 1.2 m

• 1.6 m

Tags

NGSS.HS-PS4-1

Which tube, if the same length, would have the lowest frequency?

• 
• 
• 
• 

Tags

NGSS.HS-PS4-1

An open pipe of length 50.0 m has standing waves formed in it. The speed of sound in air is 350 m/s. What is the fundamental frequency of the waves?

• 1/7 Hz

• 2/7 Hz

• 7/2 Hz

• 7 Hz

Tags

NGSS.HS-PS4-1

The second harmonic of a guitar string has a frequency of 60 Hz. If the speed of waves on the string is 120 m/s, what is the string’s length?

• 1.0 m

• 2.0 m

• 3.0 m

• 4.0 m

Tags

NGSS.HS-PS4-1

This closed end tube is in the

• 6th harmonic

• 7th harmonic

• 8th harmonic

• 9th harmonic

Tags

NGSS.HS-PS4-1

This open end tube is in the

• 1st harmonic

• 2nd harmonic

• 3rd harmonic

• 4th harmonic

Tags

NGSS.HS-PS4-1

What is the frequency of the pictured wave on a string if the speed of the string wave is 1000 m/s and the length of the string is .75 meters?

• 1,667 Hz

• 3,333 Hz

• 1133 Hz

• 340 Hz

Tags

NGSS.HS-PS4-1

An instrument that looks like the picture (an open tube) produces a frequency of 440 Hz. The speed of sound in air is 340 m/s. What is the length of the instrument?

• .39 m

• .77 m

• .98 m

• 1.16 m

Tags

NGSS.HS-PS4-1

This string is in the

• Fundamental

• 1st overtone

• 2nd overtone

• 3rd overtone

Tags

NGSS.HS-PS4-1