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प्रश्न
When sunlight enters the earth’s atmosphere, state which colour of light is scattered
- the most and
- which the least.
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उत्तर
Violet colour is scattered the most and red the least, as the intensity of scattered light is found to be inversely proportional to the fourth power of the wavelength of light.
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संबंधित प्रश्न
With the help of a labelled diagram, explain why the sun appears reddish at the sun-rise and the sun-set.
Explain giving reason why the sky appears blue to an observer from the surface of the earth? What will the colour of the sky be for an astronaut staying in the international space station orbiting the earth? Justify your answer giving reason.
Why does the sun seem to rise two minutes before the actual sunrise and set two minutes after the actual sunset ? Explain with the help of labelled diagram.
What is a rainbow? Draw a labelled diagram to show the formation of a rainbow.
What is the order of colours in a rainbow, from the outside to the inside?
Name some everyday objects:
which reflect all the colours in sunlight
What is tyndall effect? Explain with an example.
Draw a neat and labelled diagram of the experimental set up for observing the scattering of light in a colloidal solution of sulphur to show how the sky appears blue, and the sun appears red at sunrise and sunset.
Explain why, when the sun is overhead at noon, it appears white, but when the same sun is near the horizon at sunset, it appears red.
The colour of sky, in direction other than of the sun, is blue. Explain.
