A light pipe known as optical fibre used

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Target Exam

CUET

Subject

Physics

Chapter

Ray Optics

Question:

A light pipe known as optical fibre used to facilitate visual examination of internal organs is based on:

Options:

scattering of light

refraction of light

total internal reflection

diffraction of light

Correct Answer:

total internal reflection

Explanation:

The correct answer is Option (3) → total internal reflection $n^{2}$