Advertisements
Advertisements
प्रश्न
In white light of sun, maximum scattering by the air molecular present in the earth’s atmosphere is for ______.
पर्याय
Red colour
Yellow colour
Green colour
Blue colour
Advertisements
उत्तर
In white light of the sun, maximum scattering by the air molecular present in the earth’s atmosphere is blue colour.
Explanation:
When the light of a certain frequency falls on that atom or molecule, this atom or molecule responds to the light whenever the size of the atom or molecule is comparable to the wavelength of light. The sizes of nitrogen and oxygen molecules in atmosphere are comparable to the wavelength of blue light. These molecules act as scattering centers for the scattering of blue light. This is also the reason that we see the sky as blue.
APPEARS IN
संबंधित प्रश्न
What did Newton demonstrate by his experiments with the prism?
Why does the sun appear red at sunset?
Why does the sun appear red at sunrises and sunset?
What is meant by advance sunrise and delayed sunset? Draw a labelled diagram to explain these phenomena.
Describe an experiment to show that “sunlight is essential for photosynthesis”.
A beam of blue, green, and yellow light passes through the earth's atmosphere. Name the colour which is scattered the least.
To an astronaut in a space-ship, the earth appears ______.
Why is the Tyndall effect shown by colloidal particles?
Draw a labelled diagram to show (i) reddish appearance of the sun at the sunrise or the sunset and (ii) white appearance of the sun at noon when it is overhead.
Twinkling of stars is due to atmospheric
