Optical fibre is based on which of the following principles?a. Princip – McqOptions

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1.	Optical fibre is based on which of the following principles?a. Principle of reflection of lightb. Principle of refraction of lightc. Principle of total internal reflectiond. Principle of dispersion of light
A.	a, b and c
B.	Only c
C.	b and d
D.	Only d
Answer» C. b and d

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