What is the importance of synchronized waves in interference?

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Synchronized waves are essential for interference as they must be coherent and maintain a constant phase difference. This synchronization occurs when two wave sources emit crests and troughs simultaneously, ensuring they have the same frequency. The importance of this synchronization lies in its ability to produce constructive or destructive interference, which is only effective when the waves are aligned in phase. Without synchronization, the interference pattern becomes unpredictable and less useful. Understanding the role of synchronized waves is crucial for applications in physics and engineering.
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It is mentioned that the conditions of interference is that the waves should be coherent and synchronized.
What is the meaning of synchronized waves?

Thanks in advance.
 
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1b. SynchronizedWave Sources. Interference of two waves is generally only useful if the waves have the same frequency and hence a constant phase difference. This will happen if the two different waves come from sources that are “synchronized" so they emit crests at the same time, troughs at the same time, etc.

www.physnet.org/modules/pdf_modules/m230.pdf
 
Bobbywhy said:
1b. SynchronizedWave Sources. Interference of two waves is generally only useful if the waves have the same frequency and hence a constant phase difference. This will happen if the two different waves come from sources that are “synchronized" so they emit crests at the same time, troughs at the same time, etc.

www.physnet.org/modules/pdf_modules/m230.pdf

OK, thank you very much.
 

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