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A horizontal pipe line carries water in ...

A horizontal pipe line carries water in a stream line flow. At a point along the pipe where cross-sectional area is 10 `cm^(2)`, the water velocity is 1 m/s and the pressure is 2000 Pa. The pressure of water at another point where the cross-sectional area is 5 `cm^(2)`, is (density of water= `10^(3) kg.m^(-3))` :

A

200 Pa

B

300 Pa

C

400 Pa

D

500 Pa.

Text Solution

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The correct Answer is:
D
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Knowledge Check

  • Water is in streamline flow along a horizontal pipe where the area of cross-section is 10" cm"^(2) , the velocity of water is 1" m s"^(-1) and the pressure is 2000 Pa. The pressure at another point where the cross-sectional area is 5" cm"^(2) is

    A
    4000 Pa
    B
    2000 Pa
    C
    1000 Pa
    D
    500 Pa

  • Water is in streamline flow along a horizontal pipe with nonuniform cross-section. At a point in the pipe where the area of cross-section is 10 c m^(2) , the velocity of water is 1 ms^(-1) and the pressure is 2000 Pa. The pressure at another point where the cross-sectional area is 5 c m^(2) is :

    A
    1000Pa
    B
    500Pa
    C
    4000 Pa
    D
    2000 Pa

  • A piston of cross-sectional area 100 cm^(2) is used in a hydraulic press to exert a force of 107 dyne on the water. The cross-sectional area of the other piston which supports a truck of mass 2000 kg is :

    A
    `9.8xx10^(2)cm^(2)`
    B
    `9.8xx10^(3)cm^(2)`
    C
    `1.96xx10^(3)cm^(2)`
    D
    `1.96xx10^(4)cm^(2)`

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