Find the excess pressure inside a mercury drop of radius 2.0 mm. The surface tension of mercury = 0.464 N/m
928 N/m2
464 N/m2
464 N/m
928 N/m
Find the excess pressure inside (a) a drop of mercury of radius 2 mm (b) a soap bubble of radius 4 mm and (c) an air bubble of radius 4 mm formed inside a tank of water. Surface tension of mercury , soap solution and water are 0.46Nm−1,0.03Nm−1 and 0.076Nm−1 respectively.