The difference of height between the two limbs of a manometer connected at the ends of 20 cm long tube of 1 mm radius is 28 cm If 8 cm `8cm^(3)` of water is collected in 3 minutes ,calculate the coefficient of viscosity .

water flows through a horizontal tube of length 20cm and internal radius 0.081 cm under a constant head of the liquid 20cm high. If 864 cm^3 of water issues from the tube in 12 minutes, calculate the coefficient of viscosity of water. Density of water=1g cm^(-2) and g =981cm^(-3)

The volume of cone, whose radius is 3 cm and height is 8 cm, is ….. cm^(3) .

Water flows at a speed of 6 cms^-1 through a tube of radius 1 cm. coefficient of viscosity of water at room temperature is 0.01 poise. Calculate the Reynolds number. Is it a steady flow.

Water flows at a speed of 6 cms^-1 through a tube of radius 1 cm. coefficient of viscosity of water at room temperature is 0.01 poise. Calculate the Reynolds number. Is it a steady flow.

Water flows at a speed of 6 cms^-1 through a tube of radius 1 cm. coefficient of viscosity of water at room temperature is 0.01 poise. Calculate the Reynolds number. Is it a steady flow.

In the variable pressure head method of determining the coefficient of viscosity, the heleht of water above the axis of capillary tube before and after the experiment was 45 cm and 55 em respectively. A capillary tube of length 10 cm and diameter 0-4 mm was used. Calculate the coefficient of viscosity of water if the volume of water collected per minute is 1.86 x 10^(-6)m^(3)

The volume of cone , whose radius is 3 cm and height is 8cm, is ……….. cm^3 .

The distance between the centres of two circles of radii 3.4 cm and 1.8 cm is 3.7 cm. Then the circles are :