If 'M' is the mass of water that rises in a capillary tube of radius 'r', then mass of water which will rise in a capillary tube of radius '2r' is :
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If 'M' is the mass of water that rises in a capillary tube of radius 'r', then mass of water which will rise in a capillary tube of radius '2r' is :

G1 Physics · Accepted Answer

Step 1: Capillary rise h=2T cosθ/(ρgr), so h∝1/r. Step 2: Mass raised M=ρπr²h ∝ r. Doubling the radius doubles the mass. Final answer: C.