Consider the following statements : (i) Optical fibre communication is based on the principle of refraction of light. (ii) Optical fibre communication is based on the principle of total internal reflection of light. (iii) In optical fibre communication, light is the carrier wave. (iv) Optical fibre permits communication over short distances only. Select the correct statement(s) using the codes given below.

Asked in APSC CCE Prelims Exam 2022 · Topic: Optics (Fiber Optics: Principles and applications)

1. Only (i) and (iv)
2. Only (ii), (iii) and (iv)
3. Only (ii) and (iii)
4. Only (iii) and (iv)

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