Which one of the following statements is incorrect about laser? *
2 points
A.It is a technique for producing intense beams of light, ultraviolet or infrared radiation of different wavelength.
B.Even in diamond laser beam can drill a hole.
C.A variety of lasers have been made from solids like the ruby crystal and semi conducting materials, liquids and gases.
D.All waves in laser, travel in phase
Answers
Answered by
1
Answer:
Option (A) It is a technique for producing intense beams of light, ultraviolet or infrared radiation of different wavelength.
Answered by
0
Answer:
Statement A is incorrect.
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