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प्रश्न
Total internal reflection occurs only when a ray of light passes from a ______ medium to a ______ medium.
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उत्तर
Total internal reflection occurs only when a ray of light passes from a denser medium to a rarer medium.
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संबंधित प्रश्न
In the following figure, show two rays A and B travelling from water to air. If the critical angle for water- air surface is 48°, complete the ray diagram showing the refracted rays for each. State conditions when the ray will suffer total internal reflection.

How does a ray of light bend when it travels from when it is normal to the interface of the two media.
Can light be ‘piped’ like sound in a doctor’s stethoscope?
The adjacent diagram shows two right-angled isosceles prisms A and B. Complete the diagram to show the path of rays P and Q emerging out of the prism B. What principles have you used to complete the diagram?

Answer the following question.
Under what conditions are total internal reflection possible? Explain it with a suitable example.
Answer the following question.
Why is prism binoculars preferred over traditional binoculars? Describe its working in brief.
For total internal reflection to take place, the angle of inddence i and the refractive index µ of the medium must satisfy the inequality ____________.
The critical angle is defined as the angle of incidence at which the total internal reflection starts to occur.
State the condition under which total internal reflection occurs. Give the mathematical expression for total internal reflection.
