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(1) If both Assertion (A) and Reason (R) are True and the Reason (R) is a correct explanation of the Assertion (A).
(2) If both Assertion (A) and Reason (R) are True but Reason (R) is not a correct explanation of the Assertion (A).
(3) If Assertion (A) is True but the Reason (R) is False.
(4) If Assertion (A) is False but Reason (R) is True.
Assertion (A): The Brownian movement is due to the bombardment on collodial particles by the molecules of dispersion medium which are in the constant motion like molecules in a gas.

Reason (R): Brownian movement provides a visible proof of the random kinetic motion of molecules in a liquid.
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