Home
Class 11
PHYSICS
Water is flowing through a capillary tub...

Water is flowing through a capillary tube at the rate of `20xx10^(-6)m^(3)//s`. Another tube of same radius and double the length is connected in series to the first tube. Now the rate of flow of water in `m^(3)s^(-1)` is

A

`10xx10^(-6)`

B

`3.33xx10^(-6)`

C

`6.67xx10^(-6)`

D

`20xx10^(-6)`

Text Solution

Verified by Experts

The correct Answer is:
C
`Q=(piPr^(4))/(8etal), Q alpha(1)/(l)`
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • MECHANICAL PROPERTIES OF FLUIDS

    NARAYNA|Exercise EXERCISE - I - (C.W) (TERMINAL VELOCITY & VISCOUS FORCE)|2 Videos

  • MECHANICAL PROPERTIES OF FLUIDS

    NARAYNA|Exercise EXERCISE - I - (C.W) (FORCE DUE TO SURFACE TENSION)|10 Videos

  • MECHANICAL PROPERTIES OF FLUIDS

    NARAYNA|Exercise EXERCISE - I - (C.W) (COEFFICIENTY OF VISCOSITY & VISCOUS FORCE)|2 Videos

  • MATHEMATICAL REVIEW & PHYSICAL WORLD

    NARAYNA|Exercise C.U.Q|13 Videos

  • MECHANICAL PROPERTIES OF SOLIDS

    NARAYNA|Exercise LEVEL-II (H.W)|24 Videos

Similar Questions

Explore conceptually related problems

Water is flowing through two capillary tubes under constant pressure head. The ratio of their lengths is 3:1 and of diameters is 2 : 1. Find the ratio of rate of flow of water through two tubes.

Alcohol flows through two capillary tubes under a constant pressure head the diameters of the two tubes are in the ratio of 4:1 and the lengths are in the ratio 4:1 Compare the rates of flow of alcohols through the two tubes .

Knowledge Check

  • Water flows through a capillary tube at the rate of 10 cc per minute. If the pressure difference across the same tube is doubled, the rate of flow of water throught he tube wil be (in cc per minute)

    A
    20
    B
    5
    C
    40
    D
    2.5

  • Water is flowing through a tube of radius r with a speed v. If this tube is joined to another tube of radius r/2, what is the speed of water in the second tube?

    A
    ` v//4 `
    B
    `v //2 `
    C
    `2v `
    D
    `4 v `

  • In a capillary tube, water rises to 3 mm . The height of water that will rise in another capillary tube having one-third radius of the first is

    A
    `1mm`
    B
    `3mm`
    C
    `6 mm`
    D
    `9 mm`

    • Similar Questions

    Explore conceptually related problems

    Water rises in a capillary tube to a height of 1 cm. In another capillary where the radius is one-third of the first tube, how high will the water rise (in cm)?

    Water flows with a velocity V in a tube of diameter d and the rate of flow is Q. another tube of diameter 2d is coupled to the first one. The velocity of water flowing out and rate of flow in the second tube are respectively.

    Figure shows a liquid flowing through a tube at the rate of 0.1 m^(3)//s . The tube is branched into two semicircular tubes of cross-sectional area A//3 and 2A//3 . The velocity of liquid at Q is (the cross section of the main tube is A =10^(-2) m^(2) and v_(p) = 20 m//s )

    In a capillary tube, water rises by 1.2mm . The height of water that will rise in another capillary tube having half the radius of the first, is

    The radius of the capillary tube increased 0.2% then the percentage increase in the rate of flow of liquid through it is

    Home
    Profile