Question Answers

Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A cube of mass m=800g floats on the suface of water. Water wets it completely. The cube is 10cm on each edge. By what additional distance is it buoyed up or down by surface tension? Surface tension of water =0.07Nm−1

A cube of mass m=800g floats on the suface of water. Water wets it completely. The cube is 10cm on each edge. By what additional distance is it buoyed up or down by surface tension? Surface tension of water =0.07Nm−1

A U-shaped wire is dipped in a soap solution A wire ring of 5cm redius is rested on the surface of a liquid and then reaised. The pull required is 3.14g more before the film breaks than it is afterwards. Find the surface tension of the liquid