1.

A : On viewing the clear portion of the sky through a calcite crystal, the intensity of the transmitted light varies as the crystal is rotated R : The light coming from the sky is polarized due to scattering of sunlight by particles in the atmosphere. The scattering is largest for blue light.

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Both A and R are TRUE and R is the CORRECT EXPLANATION of A
Both A and R are true and R is not the correct explanation of A
A is true and R is false
Both A and R are false

Answer :A


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