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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?
How does the deviation produced by a triangular prism depend on the colours (or wavelengths) of light incident on it?
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?
In following diagram shows a thin beam of white light from a source S striking on one face of a prism.
What conclusion do you draw from the observation in part (b) above?
Write the approximate wavelengths for blue.
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?
Explain, why quartz prism is required for obtaining the spectrum of ultra-violet light?
A prism causes dispersion of white light while a rectangular glass block does not. Explain.
