A capillary tube of radius r can support liquid of weight 6.28 x 10-4 N. If the surface tension of the liquid is 5 x 10-2 N/m, the radius of the capillary must be:
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A capillary tube of radius r can support liquid of weight 6.28 x 10-4 N. If the surface tension of the liquid is 5 x 10-2 N/m, the radius of the capillary must be: