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प्रश्न
Which characteristic property of light is responsible for the blue colour of the sky?
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उत्तर
Dispersion of light
संबंधित प्रश्न
In the formation of spectrum of white light by a prism:
- which colour is deviated least?
- which colour is deviated most?
What do you understand by the term spectrum?
An object AB is placed in front of a convex lens as shown in fig. 4. Complete the ray diagram and obtain the image formed and state the nature of the image.
Answer the following:
What do you mean by dispersion? Name the different colours of light in the proper sequence in the spectrum of light.
How can the presence of ultraviolet radiation be detected?
Write the range of wavelength of the visible spectrum.
Write the range of wavelength of the ultraviolet spectrum.
Draw a neat and labelled diagram for dispersion of light.
When sunlight passes through water droplets in the atmosphere it gets dispersed into its constituent colours forming a rainbow. A similar phenomenon is observed when white light passes through a prism.
Instead of sunlight, a green-coloured ray is passed through a glass prism. What will be the colour of the emergent ray?
