Question

    The blue colour of the sky is due to the:

    A dispersion of light Correct Answer Incorrect Answer
    B scattering of light Correct Answer Incorrect Answer
    C refraction of light Correct Answer Incorrect Answer
    D diffraction of light Correct Answer Incorrect Answer

    Solution

    Blue colour of the sky is due to scattering of light. The two most common types of matter present in the atmosphere are gaseous nitrogen and oxygen. These particles are most effective in scattering the higher frequency and shorter wavelength portions of the visible light spectrum.

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