WAEC Physics 2021 Theory — Question 9
Question 9 of 35 from the West African Examinations Council (WAEC) Physics 2021 Theory paper, with the correct answer and a full explanation.
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7(a). State the scientific principle underlying the operation of fibre optics.
Model answer
The operation of fibre optics is based on the principle of total internal reflection of light within the optical fibre.
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