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प्रश्न
Study the following figure in which a student has marked the angle of incidence (∠i), angle of refraction (∠r), angle of emergence (∠e), angle of prism (∠A) and the angle of deviation (∠D). The correctly marked angles are
(a) ∠A and ∠i
(b) ∠A, ∠i and ∠r
(c) ∠A, ∠i, ∠e and ∠D
(d) ∠A, ∠i, ∠r and ∠D
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उत्तर
The correctly marked angles in the given figure are the angle of prism (A) and the angle of incidence (i).
All the angles are correctly marked in the figure shown below.
Hence, the correct answer is option (a).
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संबंधित प्रश्न
In the formation of spectrum of white light by a prism:
which colour is deviated most?
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The coloured light having the maximum speed in glass prism is ______.
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Refer to fig
(i) Name the lens L.
(ii) What are the points O, O' called?
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(iv) Write three characteristics of the image.
Write three conditions necessary to obtain a pure spectrum on a screen. Name the instrument in which the conditions stated by you are fulfilled.
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Assertion: We can see the rainbow in the sky when the rain starts falling after a spell of bright sunlight.
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______ colour is deviated the least in the spectrum of white light obtained with a glass prism.
