Standing Wave

The second Harmonic has a frequency of 4 Hertz.

The third Harmonic has a wavelength of 2 meters.

*Solve: The wave speed of the fundamental is:

• 24 m/s

• 18 m/s

• 16 m/s

• 12 m/s

• 9 m/s

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

In the diagram which letters represent the nodes

• A B C

• A C E

• B D

• B D E

• A C D

Tags

NGSS.HS-PS4-1

The figure represents a string of length L, fixed at both ends, vibrating in several harmonics. Which string shows the 4th harmonic?

• A

• B

• C

• D

• E

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-5

The figure represents a string of length L, fixed at both ends, vibrating in several harmonics. Which string shows the 3rd harmonic?

• A

• B

• C

• D

• E

Tags

NGSS.HS-PS4-1

The moving black dot is called:

• a node

• an anti-node

• an anti-amplitude

• the wangy bit

Tags

NGSS.HS-PS4-1

How many antinodes does this standing wave have?

• 5

• 6

• 7

• 8

Tags

NGSS.HS-PS4-1

A wave with a wavelength of 5m is traveling with a velocity of 2.5 m/s. Calculate its frequency.

• 12.5 Hz

• 0.5 Hz

• 2 Hz

• 15 Hz

Tags

NGSS.HS-PS4-1

Standing waves are created by

• Two identical waves reflecting off each other

• Two identical waves being diffracted together

• Two identical waves move through each other in opposite directions

• Two identical waves are diffracted from two identical sources

Tags

NGSS.HS-PS4-1

The stationary dot is called:

• a node.

• an anti-node.

• the amplitude.

• the not moving bit.

Tags

NGSS.MS-PS4-1