A liquid is flowing through a narrow tube. The coefficient of viscosity of liquid is 0.1308 poise. The length and inner radius of tube are 50 cm and 1 mm respectively. The rate of flow of liquid is `360(cm^(3))/(min)`. Find the pressure difference between ends of tube.

Options

A. `10^(6)("dyne")/(cm^(2))`
B. `10^(4)("dyne")/(cm^(2))`
C. `10("dyne")/(cm^(2))`
D. none of these

Answer

A

Explanation

`v=(ppir^(4))/(8etal)`