CBSE · Class 12 · Physics · Ray Optics and Optical InstrumentsWhich of the following phenomena is responsible for the working of optical fibres?
Step-by-Step Solution
Optical fibres work on the principle of total internal reflection, where light signals travel inside the core without significant loss of energy.
Detailed Options Breakdown
Option : Refraction
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Ray Optics and Optical Instruments.
Option 1: Total internal reflection (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: Dispersion
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Ray Optics and Optical Instruments.
Option 3: Diffraction
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Ray Optics and Optical Instruments.
💡 Study Guide: This question tests core syllabus concepts from Ray Optics and Optical Instruments. For formulas, key summaries, and mock exam reference guides, read the full Ray Optics and Optical Instruments Revision Notes.