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No. In order to be coherent, the light waves have to be in phase and stay in phase, and the only way for that to happen is for them to have the same wavelength and frequency.

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Q: Can waves with different wavelength be coherent?
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Light of a single wavelength and having all waves in phase is?

monochromatic, coherent


When two waves of the same wavelength interfere?

If they are coherent, they will add, and vice versa.


How the constructive interference occurs?

coherent waves are waves of the same frequency (same wavelength) and constant phase difference.


Why are lasers different from other kinds of light?

Because laser light is highly coherent: all one wavelength with all the peaks aligned (all waves completely in phase). Ordinary light is not coherent.


What is light whose waves all have the same wavelength direction and coincidental peaks called?

Coherent


What is the difference between a monochromatic light and coherent light waves?

The term "mono" refers to a singular object or subject. The term "chrome" refers to colors. The term "monochrome" is a reference to a single color. ie., if two lights are monochromatic that means they have same wavelength. If two waves are monochromatic (having the same wavelength) and are of the same phase, these two waves are defined as coherent waves. Sources generating such waves are known as coherent sources.


Light waves of one wavelength that travels with its crests and troughs aligned is called what?

Light waves of a single wavelength is known as being coherent. This allows constructive interference which occurs when two or more waves are in phase i.e. their crests and troughs are aligned.


How are radio waves different from other waves on the EM spectrum?

They have different wavelength.


What Light of one wavelength that travels with its crests and troughs aligned is what?

Light waves of a single wavelength is known as being coherent. This allows constructive interference which occurs when two or more waves are in phase i.e. their crests and troughs are aligned.


Are waves with a shorter wavelength different from those with a longer wavelength?

No, they're all waves, they're all the same!


What are coherent waves?

COHERENT WAVESWhen the light waves are emitted from a single source and they have the zero phase difference between them then the waves are said to be coherent. The coherent waves are shown below:


What are coherence?

COHERENT WAVESWhen the light waves are emitted from a single source and they have the zero phase difference between them then the waves are said to be coherent. The coherent waves are shown below: