Sound Wave

This string is in the

• 1st harmonic

• 2nd harmonic

• 3rd harmonic

• 4th harmonic

Tags

NGSS.HS-PS4-1

This wave is found in/on a

• String

• Rod

• Open Tube

• Closed Tube

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

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 figure shows several modes of vibration of a string fixed at both ends. The mode of vibration that represents the fifth harmonic is

• 1

• 2

• 3

• 4

• None of these is correct.

Tags

NGSS.HS-PS4-1

A stretched string is fixed at points 1 and 5. When it is vibrating at the second harmonic frequency, the nodes of the standing wave are at points

• 1 and 5.

• 1, 3, and 5.

• 1 and 3.

• 2 and 4.

• 1, 2, 3, 4, and 5.

Tags

NGSS.HS-PS4-1

A stretched string is fixed at points 1 and 5. When it is vibrating in its first harmonic frequency, the nodes are at points

• 1 and 5 only.

• 1, 3, and 5.

• 2 and 4.

• 2, 3, and 4.

• 1, 2, 3, 4, and 5.

Tags

NGSS.HS-PS4-1

Of the sound sources shown, that which is vibrating with its first harmonic is

• the whistle.

• the organ pipe.

• the vibrating string.

• the vibrating rod.

• None of these.

Tags

NGSS.HS-PS4-1

A string fixed at both ends is vibrating in a standing wave. There are three nodes between the ends of the string, not including those on the ends. The string is vibrating at a frequency that is its

• fundamental.

• second harmonic.

• third harmonic.

• fourth harmonic.

• fifth harmonic.

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