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A laser beam is used for carrying out surgery because it

$\begin {array} {1 1} (a)\;Is \: highly\: monochromatic & \quad (b)\;Is \: highly\: coherent \\ (c)\;Is\: highly\: directional & \quad (d)\;Can\: be\: sharply\: focused \end {array}$

1 Answer

Ans : (d)
Can be sharply focused
answered Feb 25, 2014 by thanvigandhi_1
 

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