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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
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.
What colours lie on the two sides of the 'green colour' in the spectrum of white light?
Name some everyday objects:
which reflect all the colours in sunlight
Out of blue light and red light, which one is scattered more easily?
The sky appears blue because some of the blue component of sunlight is scattered by:
(a) gas molecules present in air
(b) dust particles present in air
(c) water droplets suspended in air
(d) soot particles present in air
Complete the following statement:
When the sun is setting, the light from it has to travel a ................ thickness of the earth's atmosphere and only ................ wavelength ................ light is able to reach us. Sunset is therefore ................
Using the phenomenon of scattering of light, explain why there is a difference in the colour of the sun as it appears during sunrise and at noon.
Draw a labelled diagram to show
- the reddish appearance of the sun at sunrise or sunset, and
- white appearance of the sun at noon when it is overhead.
Which of the following phenomena contributes significantly to the reddish appearance of the sun at sunrise or sunset?
Why is the colour of the clear sky blue?
