Question
The sky appears blue because of
–Solution
The sky is blue because the molecules in the air scatter light in the higher wavelengths (that is, the blue light), while lower wavelength light (that is, the light on the red end of the spectrum) goes through to the ground. So the light that get finally reflected down from the scattering is blue, therefore a blue sky. This is called Rayleigh scattering.
There are seven hemispherical containers of radius R metres each and each of them is fully filled with water. The water in these is transferred to a hem...
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