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# What is it called when waves combine with each other?

Updated: 9/17/2023

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9y ago

interference

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9y ago

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Q: What is it called when waves combine with each other?
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### When does interference occur?

When two out-of-phase waves combine and cancel each other out.

### When two waves combine and the crest is greater than either of the waves by themself?

Not necessarily. The two waves could cancel each other out.

### Do waves that are out of phase ad together to make a bigger wave?

No. Waves that are out of phase (negative interference) will essentially cancel each other out. Waves that are in phase with each other (positive interference) will combine to create a larger wave.

### What is it called sound waves interact with each other?

the interaction between sound waves is called interference.

### The ability of 2 or more waves to combine and form a new wave?

Normally, two waves do not combine to form a new wave. Two waves approaching from almost the same direction will slowly cross each other. At the point where the waves cross, they will briefly make one wave. Its height can be calculated by a formula which multiplies the height of each wave by a sine function and adds the results.

### What is it called when waves pass through each other and make each other bigger?

its call superposition

### What is it called when two waves meet and cancel each other out?

That is called destructive interference.

### What is it called when waves travel as a group?

When waves act together, you talk about "interference".When they reinforce each other, it is "constructive interference".When they cancel each other, it is "destructive interference".

### Why are plane waves are called plane?

Plane waves travel parallel to each other in the same plane hence the name.

### When two waves are in the same place at the same time they combine to produce a single wave?

only if the waves are IN PHASE. This means if you are looking at a diagram of 2 waves going at each other, both waves have to be the same size, wavelength, AND on the same side of the diagram, whether its on the top or bottom. If one wave is on the bottom and the other on top, but has the same size, it will produce a standing wave.

### Do waves bounce off each other or go through each other?

Waves travel through each other.

### Using the concept of interference explain why the sound levels in the room vary?

The sound levels in the room vary because when its loud the waves combine by constructive interference, the combined wave has a larger amplitude than the original waves did but when its soft the two waves with the same amplitude combine by destructive interference, they cancel each other out.