Question

What if the frequency of light is increased or decreased in diffraction?

Answer 1

Hey mate hope it helps you

If you go through the math involved in computing the pattern caused by diffraction through a narrow slit or circular aperture, you find that the angle of diffraction is directly proportional to the wavelength. (This is the Fraunhofer limit, where you’re measuring the diffraction pattern in the far field, a long way from the slit/aperture.) So increasing the wavelength increases the size of the diffraction pattern proportionally.

That’s the simple answer. If you’re asking the more detailed “why,” in the sense of “Why do the equations give that result?” there’s no alternative but to dig into the mathematics yourself.

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