1.

Assertion: Sky appears blue in colour. Reason: Colloidal particles od dust scatter blue light.A. if both assertion and reason are true and the reason is the correct explanation of the assertion.B. If both assertion and reason are true but reason is not the correct explanation of the assertionC. If assertion is true but reason is false.D. If the assertion and reason both are false.

Answer» Correct Answer - A
The sky appears blue because the colloidal particles of dust, dirt in air scatter blue light to the maximum extent. Here both assertion and reason are correct and reason is the correct explanation of assertion.


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