WAEC Physics Questions and Answers 2021 Theory and Objective (100%) Legit Expo

WAEC Physics Questions and Answers 2021, (100%) Legit Expo free WAEC Physics 2021 objective and theory answers (Expo) for West African Examinations Council (May/June) 2021. WAEC Physics objective and theory answers For you to have good WAEC result in Physics examination as well as repeated questions for free in this post. You will also understand how WAEC (Biology) Physics questions are set and how to answer them. The West African Examinations Council (WAEC) is an examination board established by law to determine the examinations required in the public interest in the English-speaking West African countries, to conduct the examinations and to award certificates comparable to those of equivalent examining authorities internationally.

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WAEC Physics 2021 questions

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WAEC Physics Questions and Answers 2021 Objectives Answers (Expo)

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WAEC Physics Objectives Answers (2021 Answers)



WAEC Physics Questions and Answers 2021

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The scientific principle underlying the operation of a fibre optics is the principle of total internal reflection by which light signals can be transmitted from one place to another with a negligible loss of energy.
Core: The core is the light transmission area of the fibre, either glass or plastic cladding. The function of the cladding is to provide a lower refractive index at the core interface in order to cause reflection within the core so as to enable light waves transmitted through the fibre.
Cladding: It functions as a gadget that provides a clear refractive index at the core interface in order to cause reflection within the core so that light waves are transmitted through the fibre.













WAEC Physics Theory Answers 2021(Expo)


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