MCQ
A laser beam is used for carrying out surgery because it
- AIs highly monochromatic
- BIs highly coherent
- CIs highly directional
- ✓Can be sharply focussed
✓
Answer
Correct option: D.
Can be sharply focussed
d
(d) Surgery needs sharply focused beam of light and laser can be sharply focused.
(d) Surgery needs sharply focused beam of light and laser can be sharply focused.
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