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प्रश्न
Why does the sun appear red at sunrises and sunset?
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उत्तर
At the time of sunrise and sunset, the light from sun has to travel the longest distance of atmosphere to reach the observer. The light travelling from the sun loses blue light of short wavelength due to scattering, while the red light of long wavelength is scattered a little, so is not lost much. Thus blue light is almost absent in sunlight reaching the observer, while it is rich in red colour.
संबंधित प्रश्न
Why does sun appear red at sunrise and sunset?
Which color of white light is scattered the least and why?
We can see the sun before the actual sunrise by about:
(a) 5 minutes
(b) 2 minutes
(c) 2 hours
(d) 20 minutes
Which of the two is scattered more easily, light of shorter wavelengths or light of longer wavelengths?
Which component of sunlight is scattered away when the sun appears red at sunrise or sunset?
The red colour of the sun at the time of sunrise and sunset is because:
(a) red colour is least scattered
(b) blue colour is least scattered
(c) red colour is most scattered
(d) blue colour is most scattered
What characteristic property of light is responsible for the blue colour of the sky?
What is meant by advance sunrise and delayed sunset? Draw a labelled diagram to explain these phenomena.
In the atmosphere which colour of light gets scattered the least?
Why is the colour of the clear sky blue?
