Home
Class 11
PHYSICS
Water flows through a tube shown in figu...

Water flows through a tube shown in figure. The areas of cross section at A and B are `1cm^2 and 0.5 cm^2` respectively. The height difference between A and B is 5m. If the speed of water at A is 10 `cms^-1` find a the speed at B and b the difference in pressures at A and B.

Text Solution

Verified by Experts

The correct Answer is:
A, B, C, D

(a) apply continuity equation
(b) Apply Bernoulli's equation.
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • FLUID MECHANICS

    DC PANDEY|Exercise Exercise16.5|3 Videos
  • FLUID MECHANICS

    DC PANDEY|Exercise Exercise16.6|4 Videos
  • FLUID MECHANICS

    DC PANDEY|Exercise Exercise16.3|4 Videos
  • EXPERIMENTS

    DC PANDEY|Exercise Subjective|15 Videos
  • GENERAL PHYSICS

    DC PANDEY|Exercise INTEGER_TYPE|2 Videos

Similar Questions

Explore conceptually related problems

Waster flows throgh a horizontal tube of variable cross section.The area of cross section at A and B are 4 mm^2 and 2mm^2 respectively. If 1 cc of water enters per seconds through. A find a. The speed of water at A, b. the speed of river at B and c. the pressure difference P_A-P_B .

Water flows through the tube shown in figure. The areas of cross section of the wide and the narrow portions of the tube are 5cm^2 and 2cm^2 respectively. The rate of flow of water through the tube is 500 cm^3s^-1 . Find the difference of mercury levels in the U-tube.

Knowledge Check

  • An ideal liquid (water) flowing through a tube of non-uniform cross section area at A and B are 40 cm^2 and 20 cm^2 respectively. If pressure difference between A & B is 700 N/(m^2) then volume flow rate is

    A
    2732 `(cm^3)/s`
    B
    2142 `(cm^3)/s`
    C
    1832 `(cm^3)/s`
    D
    3218 `(cm^3)/s`
  • Water flows through a non-uniform tube of area of cross section A, B and C whose values are 25, 15 and 35cm^(2) resprectively. The ratio of the velocities of water at the sections A,B and C is

    A
    `5:3:7`
    B
    `7:3:5`
    C
    `21:35:15`
    D
    `1:1:1`
  • Water flows through a vertical tube of varible cross-section. The area of cross-section at A and B 6 and 3 mm^(2) respectively. If 12c c of water enters per second through A, find the pressure difference P_(A)-P_(B).(g=10 m//s^(2)) . The separation between the cross-section at A and B is 100 cm.

    A
    `1.6xx10^(5) dyn e//cm^(2)`
    B
    `2.29xx10^(5) dyn e//cm^(2)`
    C
    `5.9xx10^(5) dyn e//cm^(2)`
    D
    `3.9xx10^(5) dyn e//cm^(2)`
  • Similar Questions

    Explore conceptually related problems

    Water flows through the tubes shown in figure. The areas of cross-section of the wide and the narrow portions of the tube are 5 cm^(2) and 2 cm^(2) respectively. The rate of flow of water through the tube is 500 cm^(3)//s . Find the difference of mercury levels in the U-tube.

    Figure shows a liquid of densith 1200kgm^-3 flowing steadily in a tube of varying cross section. The cross section at a point A is 1.0cm^2 and that at B is 20mm^2 , the points A and B are in the same horizontal plane.The speed of the liquid at A is 10 cms^-1 . Calculate the difference in pressure at A and B.

    Water is flowing in a non viscous tube as shown in the diagram. The diametre at a point A and B are 0.5m and 0.1m respectively. The pressure difference between points A & B are triangleP=0.8 then find out the rate of flow:

    A liquid of density 800 kg//m^3 flowing steadily in a tube of varying cross-section. If area of cross-section at A is 4 cm^2 and at B is 2 cm^2 . If speed of liquid at A is 10 cm//s , calculate (i) the rate of flow (ii) the difference in pressures at A and B .

    Water flows through a horizontal tube as shown in figure. If the difference of heights of water colun in the vertical tubes is 2 cm and the area of cross section at A and B are 4cm^2 and 2cm^2 respectively, find the rate of flow of water across any section.