Physics, asked by sayu19, 6 months ago

which device is used for focusing of light waves by diffraction phenomenon?

Answers

Answered by sreelakshmisalim69

Answer:

If a coherent beam of light such as a laser beam consisted of completely parallel beams, then such beams would not spread out as they travel. In reality, beams always spread away from straight line motion as they travel through space (we call it "diffraction").

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