Give reasons for the following
Laser is used in cutting metals.

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Solution

Because laser beams are parallel, coherent , monochromatic and polarized in 1 direction, these are using in cutting metals.

In metal cutting through lasers, the process works by directing the laser beam through a nozzle to a workpiece. A combination of heat and pressure creates beam, vapourises or is blown away by a jet of gas leaving an edge with high quality surface finish.

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