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प्रश्न
Draw a neat diagram to show the arrangement you would use to project a pure spectrum of white light on a screen.
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उत्तर
The diagram is shown below:
संबंधित प्रश्न
Why is the colour red used as a sign of danger?
Name three factors on which the deviation produced by a prism depends and state how does it depend on the factors stated by you.
In following figure shows a thin beam of white light from a source S striking on one face of a prism.
Complete the diagram to show effect of prism on the beam and to show what is seen on the screen.
Light of different colours is deviated through different angles, by a prism. Explain the reason.
What is understood by the term dispersion of light? What is its cause?
Name the radiation of a wavelength longer than 8 × 10−7 m.
A prism causes dispersion of white light while a rectangular glass block does not. Explain.
Comment on the statement: ‘When any ray of white light is incident on a glass prism, it simply disperses it into its seven constituent colours.
