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प्रश्न
What is the colour of the clear sky during day time? Give reason for it.
उत्तर
The colour of clear sky is blue during the day time. The sky appears blue because of scattering of light by our atmosphere. Among the different colours of white light, the blue colour gets scattered the maximum due to shorter wavelength than red.
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संबंधित प्रश्न
What is meant by scattering of light? Use this phenomenon to explain why the clear sky appears blue or the Sun appears reddish at sunrise.
Name a natural phenomenon which is caused by the dispersion of sunlight in the sky.
Which colour of the spectrum has
longest wavelength,
Which phenomenon makes us see the sun:
a few minutes after actual sunset?
We can see the sun before the actual sunrise by about:
(a) 5 minutes
(b) 2 minutes
(c) 2 hours
(d) 20 minutes
State whether the following statements are true or false:
The scattering away of red light makes the sky appear blue during the day time.
A beam of blue, green, and yellow light passes through the earth's atmosphere. Name the colour which is scattered the least.
Answer the following question:
Why is the Tyndall effect shown by colloidal particles? State four instances of observing the Tyndall effect.
The bluish colour of water in deep sea is due to ____________.
Blue colour of sky is due to the phenomenon of
