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प्रश्न
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उत्तर
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संबंधित प्रश्न
Angle of deviation is the angle which the ______ ray makes with the direction of ______ray.
Calculate the speed of light in a medium whose critical angle is 30° ?
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.
A ray of light incident at an angle of incidence ‘i’ passes through an equilateral glass prism such that the refracted ray inside the prism is parallel to its base and emerges from the prism at an angle of emergence ‘e’.
What can you say about the value of the angle of deviation in such a situation?
How is the critical angle of a material related to its refractive index?
Choose the correct option.
Select the WRONG statement.
Answer the following question.
Under what conditions are total internal reflection possible? Explain it with a suitable example.
The critical angle is defined as the angle of incidence at which the total internal reflection starts to occur.
The phenomena involved in the reflection of radiowaves by ionosphere is similar to ______.
Observe the given figure of the raindrop and answer the following questions:
- Label A and B of the given diagram. Why colour will deviate most.
- Name the phenomenon shown in label C.
