Wave Harmonics

Which Harmonic is described by: This Harmonic has 4 Antinodes and 5 Nodes.

• 2nd harmonic

• 3 harmonic

• 4 harmonic

• 5 harmonic

Tags

NGSS.HS-PS4-1

What is the FREQUENCY of this standing wave?

• 14.7 Hz

• 9.8 Hz

• 4.9 Hz

• 4.1 Hz

• 2.5 Hz

Tags

NGSS.HS-PS4-1

A string 2.40 m in length is oscillating in its first harmonic mode. The frequency of oscillation is 7.80 Hz.

• 1.2 m

• 2.4m

• 3.6 m

• 4.8 m

• 6.0 m

Tags

NGSS.HS-PS4-1

A string 2.40 m in length is oscillating in its first harmonic mode.

The frequency of oscillation is 7.80 Hz. What is the SPEED of the wave?

• 9.4 m/s

• 18.7 m/s

• 37.4 m/s

• 43.2 m/s

Tags

NGSS.HS-PS4-1

USE the picture: *Assume that the wave boundary in the picture is 5 meters. The harmonic PICTURED that has the shortest wavelength is the _____ harmonic and has a wavelength of _____ meters.

• 1st; 10 meters

• 2nd; 5 meters

• 4th; 2.5 meters

• 5th; 2 meters

• 10; 1 meter

Tags

NGSS.HS-PS4-1

As one INCREASES frequency, the size of wavelength ALWAYS:

• Increases

• Decreases

• Stays the same

Tags

NGSS.HS-PS4-1

A fundamental harmonic has a 1.1 meter string length AND a frequency of 7.4 Hz. (*2 Parts:) The wavelength of this standing wave is: The speed of this wave is:

• 3.3 m; 8.2 m/s

• 2.2 m; 16.3 m/s

• 2.2 m; 32.6 m/s

• 1.1 m; 16.3 m/s

• 1.1 m; 8.2 m/s

Tags

NGSS.HS-PS4-1

What type of interference is being shown in the picture?

• Constructive

• Destructive

The picture is showing WHAT CONCEPT?

• Constructive interference

• Destructive interference

• Standing waves

Tags

NGSS.HS-PS4-1

What type of interference is occurring in the picture?

• Constructive

• Destructive

Tags

NGSS.HS-PS4-1