A laser beam is used for carrying out surgery because it [AIIMS 2003 – McqOptions

MCQOPTIONS

1.	A laser beam is used for carrying out surgery because it [AIIMS 2003]
A.	Is highly monochromatic
B.	Is highly coherent
C.	\[6.56\,g/s\]
D.	Can be sharply focussed
Answer» E.

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