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प्रश्न
State two differences between normal reflection and total internal reflection.
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उत्तर
| Reflection | Total Internal Reflection |
| Takes place in any medium, denser or rarer. | Takes place only in a denser medium. |
| Takes place for any angle of incidence. | Takes place only when the angle of incidence is greater than critical angle. |
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संबंधित प्रश्न
What is total internal reflection?
State two conditions necessary for total internal reflection to occur.
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What is the phenomenon used in optical fiber? Explain.
A ray of light passes through a prism of refractive index `sqrt2` as shown in the figure. Find:
- The angle of incidence (∠r2) at face AC.
- The angle of minimum deviation for this prism.
When a ray of light is refracted from one medium to another, then the wavelength changes from 6000 Å to 4000 Å. The critical angle for the interface will be ______.
