List of top Physics Questions on Surface tension

Soap bubble attains spherical shape due to

A bird is flying vertically downwards the surface of water of a lake with constant speed. For a fish inside the water exactly below the bird, the bird appears to be

Find out the rise in column of liquid with in a fine capillary tube (if density of liquid = \(10^3\), angle of contact = 60° acceleration due to gravity= 10 m/s2) surface tension = \(70×10^{-3} N/m, r = 0.2\) mm

A mass M is hung with a light inextensible string as shown in the figure. Find the tension of the horizontal string.

The co-efficient of friction between two surfaces is μ=0.8. The tension in the string as shown in the figure is