Engineering Online MCQ Number 0125 for assignment and exam purpose

Multiple choice question for engineering Set 1 1. What is the principle of fibre optical communication? a) Frequency modulation b) Population inversion c) Total internal reflection d) Doppler Effect [learn_more caption=”View Answer”]Answer: c [Reason:] In optical fibres, the light entering the fibre does not encounter any new surfaces, but repeatedly they hit the same surface….

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