Meenakshi's younger brother was going for a walk with her. Then he asked his sister why the sky appears blue? So his sister told him it is ---
Answers
Answer:
Gases and particles in Earth's atmosphere scatter sunlight in all directions. Blue light is scattered more than other colors because it travels as shorter, smaller waves. This is why we see a blue sky most of the time.
Answer:
The sky appears blue to the human eye as the short waves of blue light are scattered more than the other colours in the spectrum, making the blue light more visible.
Explanation:
When the light from the Sun reaches the Earth's atmosphere, small gas molecules in the air (mainly nitrogen and oxygen) separate or deflect it. Since these molecules are much smaller than the wavelength of visible light, the amount of scattering depends on the wavelength. This effect is called Rayleigh scattering, named after Lord Rayleigh, who first discovered it.
Shorter wavelengths (violet and blue) scatter the most, so more blue light scatters to our eyes than other colours. You may wonder why you don't actually see purple in the sky, because violet light is scattered even more strongly than blue. This is because there isn't that much violet in sunlight to begin with and our eyes are much more sensitive to blue.
Therefore, blue light gives the sky its blue colour.
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