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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:
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संबंधित प्रश्न
How does the deviation produced by a triangular prism depend on the colours (or wavelengths) of light incident on it?
Which colour of white light travels fastest in glass?
In following diagram shows a thin beam of white light from a source S striking on one face of a prism.
A slit is placed in between the prism and the screen to pass only the light of green colour. What will you then observe on the screen?
Light of different colours is deviated through different angles, by a prism. Explain the reason.
Give a reason, why the violet colour of white light deviated most and red colour of white light deviated least.
What is understood by the term dispersion of light? What is its cause?
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.
Write the approximate wavelength for red light.
