Laser is called as a non-material knife.(a) False(b) TrueThis question – InterviewSolution

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1.	Laser is called as a non-material knife.(a) False(b) TrueThis question was addressed to me during an interview for a job.My question is based upon Laser topic in portion Laser of Engineering Physics II
Answer» Right option is (b) True To elaborate: In laser surgery, without knife, bloodless operation, cutting tissues etc can be made, hence laser is called non-material knife.

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