NCERT · Class 12 · Physics · Ray Optics and Optical InstrumentsThe critical angle for a pair of media depends upon:
Step-by-Step Solution
The critical angle depends strictly on the refractive indices of the two media in contact, specifically the ratio of the refractive index of the rarer medium to that of the denser medium.
Detailed Options Breakdown
Option : Wavelength of light only
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Ray Optics and Optical Instruments.
Option 1: Refractive indices of the media (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: Angle of incidence
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Ray Optics and Optical Instruments.
Option 3: Intensity of light
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.