Harmonics on a String

As one INCREASES frequency, the size of wavelength ALWAYS:

• Increases

• Decreases

• Stays the same

Tags

NGSS.HS-PS4-1

This wave is found in/on a

• String

• Rod

• Open Tube

• Closed pipe

Tags

NGSS.HS-PS4-1

This string is in the

• 1st harmonic

• 2nd harmonic

• 3rd harmonic

• 4th harmonic

Tags

NGSS.HS-PS4-1

How many wavelengths are there on a string vibrating at its fundamental frequency?

• 1/4

• 1/2

• 1

• 2

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

The 4th harmonic of a guitar string has the frequency 440 Hz, what is the fundamental frequency?

• 110 Hz

• 220 Hz

• 880 Hz

• 1760 Hz

Tags

NGSS.HS-PS4-1

Label the point with an antinode.

Tags

NGSS.HS-PS4-1

What is the fundamental frequency of a string if its third harmonic is 300 Hz?

• 100 Hz

• 150 Hz

• 200 Hz

• 300 Hz

Tags

NGSS.HS-PS4-1

If a string fixed at both ends is vibrating in its second harmonic, how many nodes are present?

• 1

• 2

• 3

• 4

Tags

NGSS.HS-PS4-5

A string has a length of 1.5 m and is vibrating at its fundamental frequency. If the speed of the wave on the string is 90 m/s, what is the frequency?

• 30 Hz

• 45 Hz

• 60 Hz

• 90 Hz

Tags

NGSS.HS-PS4-1