NEET2003PhysicsDual Nature of MatterActual
A laser beam is used for carrying out surgery because it
Options
- Ais highly monochromatic
- Bis highly coherent
- Cis highly directional
- Dcan be sharply focussed.
Correct answer
D. can be sharply focussed.
Step-by-step solution
As the laser beam is highly monochromatic, directional and coherent, it can be sharply focused and that is why it is used for carrying out surgery.