Interference

True or false: constructive interference can make sounds much louder.

• True

• False

Tags

NGSS.MS-PS4-1

What type of interference is being shown in this image?

• Constructive; sound

• Constructive; light

• Destructive; sound

• Destructive; light

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-5

In a standing wave, destructive interference creates points of zero amplitude called nodes. Which letters represent this.

• A,E,F

• B,D,F

• B,C,D

• A,C,F

When a compression interferes with another compression, what occurs?

• They counteract and the wave stops.

• They combine to create a larger compression.

• They combine to create a rarefaction.

• None of the above.

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-5

When a crest and a trough interfere, what occurs?

• They combine to create a higher amplitude wave.

• They counteract and the wave either lessens or stops completely.

• The wave changes into a longitudinal wave.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

What's happening at A?

• Two crests are combining to create constructive interference.

• A crest and a trough are combining to create destructive interference.

• Two crests are combining to create destructive interference.

• A crest and trough are combining to create constructive interference.

Tags

NGSS.HS-PS4-1

What is happening at B?

• Two crests are combining to create constructive interference.

• A crest and a trough are combining to create destructive interference.

• Two crests are combining to create destructive interference.

• A crest and a trough are combining to create constructive interference.

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

What type of interference do noise cancelling headphones use?

• Constructive Interference

• Destructive Interference

Tags

NGSS.HS-PS4-1

Which type of interference occurs when sound waves produced by wind instruments become louder?

• Constructive

• Destructive

Tags

NGSS.MS-PS4-1