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प्रश्न
Draw a labeled ray diagram to illustrate the dispersion of a narrow beam of white light when it passes through a glass prism.
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उत्तर
When ray of white light passes through glass prism, different colour components of white light travel through different velocities and come out from prism along different paths.
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संबंधित प्रश्न
In the following diagram the correctly marked angles are :
(a) ∠A and ∠e
(b) ∠i, ∠A and ∠D
(c) ∠A ∠r and ∠e
(b) ∠A ∠r and ∠D
In the formation of spectrum of white light by a prism:
which colour is deviated most?
The seven colours in the spectrum of sunlight in order, are represented as :
Which is optically denser: water or air? Give reason
Differentiate between a glass slab and a glass prism.
In the figure, a beam of light consisting of three colours blue, red, and yellow is incident on a prism and on a rectangular glass block respectively. Complete the diagram by drawings of the refracted and emergent rays.
Observe the given figure and answer the following questions.
- Which colour light rays bend most?
- Which colour light rays bend least.
- What is the wavelength of violet light rays?
What is Newton’s disc?
