Fluid MechanicsHard
Question
Area of liquid film is 6 × 10 cm2 and surface tension is T = 20 dyne/cm, what is the work done to change area up to 12 × 10 cm2 :
Options
A.120 joule
B.120 erg
C.1200 joule
D.2400 erg
More Fluid Mechanics Questions
If more air is pushed in a soap bubble, the pressure in it :...For a given material, the Young′s modulus is 2.4 times that of rigidity modulus. Its Poisson′s ratio is :...A capacitor stores energy in the form of :-...The ratio of the adiabatic to isothermal elasticities of a triatomic gas is :...A force of 103 newton stretches the length of a hanging wire by 1 millimetre. The force required to stretch a wire of sa...