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Question
Physics
A laser beam is used for carrying out surgery because it
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Q. A laser beam is used for carrying out surgery because it
AIIMS
AIIMS 2008
Atoms
A
is highly monochromatic
25%
B
is highly coherent
13%
C
is highly directional
14%
D
can be sharply focussed
48%
Solution:
LASER is the short form of Light Amplification by Stimulated Emission of Radiation. Laser beam is intense, monochromatic (that is of the single wavelength) collimated and highly coherent.