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A laser beam is used for carrying out surgery, because it 

(a) is highly monochromatic 

(b) is highly coherent 

(c) is highly directional

(d) can be sharply focused

1 Answer

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Best answer

(d) can be sharply focused

A laser beam is highly monochromatic, directional and coherent and hence it can be sharply focused for carrying out surgery.

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