Physics
A beam of blue, green and yellow light passes through the the Earth's atmosphere. Name the colour which is scattered (a) the least, (b) the most.
Spectrum
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Answer
(a) Yellow light is scattered the least as it has the highest wavelength.
(b) Blue light is scattered the most as it has the lowest wavelength.
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Related Questions
Vehicles use yellow fog lights instead of white while driving in foggy conditions. The correct reason for this is :
- White light is absorbed completely by water droplets.
- Yellow light has a shorter wavelength so it scatters more.
- Yellow light has a longer wavelength, so it scatters less in fog and penetrates farther.
- Yellow light has all seven colours in it.
When sunlight enters the earth's atmosphere, state which colour of light is scattered (i) the most, and (ii) the least.
What is meant by scattering of light?
How does the intensity of scattered light depend on the wavelength of incident light? State the condition when this dependence hold.