Q.Consider the following statements about Fibre Optics. I. Optical fibres are fine strand of high quality glass, in which information is transmittedwiththehelpoflightbeam. II. Light is kept in the core of the fibre by total internal reflection. III. BSNL has the largest optical fibre cable network in India. IV. Fibre-to-Home refers to the optical fibre cable that replaces the standard copper wire of the local Telco. Which of the statements given above is/are correct?
Correct answer: I, II, III and IV