Surface Tension & Mixed Problems

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1.
The height of capillary rise is inversely proportional to:
2.
A capillary tube of radius r shows a rise of h. If the tube radius is doubled, the rise would be:
3.
When two soap bubbles of radii r1 < r2 are connected:
4.
The work done to form a soap bubble of radius 5 cm (S = 0.03 N/m) is:
5.
The excess pressure inside a spherical water drop of radius 0.5 mm with S = 0.07 N/m is:

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