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प्रश्न
Angle of deviation is the angle which the ______ ray makes with the direction of ______ray.
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उत्तर
Angle of deviation is the angle which the emergent ray makes with the direction of incident ray.
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संबंधित प्रश्न
Plot a graph between
Angle of incidence versus angle of refraction.
Make the correct choices for each of the following :
Total Internal reflection takes place when
(where ∠i = angle of incidence, ∠r = angle of refraction, ∠C = critical angle)
Images formed by totally reflecting prisms are brighter than the image formed by ordinary reflected light, why?
Which of the following is not involved in formation of a rainbow?
Answer the following question.
Under what conditions are total internal reflection possible? Explain it with a suitable example.
The resultant `vec"R"` of `vec"P"` and `vec"Q"` is perpendicular to `vec"P"`. Also `|vec"P"|=|vec"R"|`. The angle between `vec"P"` and `vec"Q"` is ______.
[tan 45° = 1]
Total internal reflection can take place only if light is travelling from ______.
Optical Fibres are based on the phenomenon of dispersion.
What are the examples of total internal reflection in nature?
A rectangular block of glass ABCD has a refractive index 1.6. A pin is placed midway on the face AB (Figure). When observed from the face AD, the pin shall ______.
- appear to be near A.
- appear to be near D.
- appear to be at the centre of AD.
- not be seen at all.
