Home
Class 12
PHYSICS
A manometer connected to a closed tap re...

A manometer connected to a closed tap reads `4.5 xx 10^(5)` pascal. When the tap is opened the reading of the manometer falls is `4 xx 10^(5)` pascal. Then the velocity of flow of water is

A

`7 ms^(-1)`

B

`8 ms^(-1)`

C

`9 ms^(-1)`

D

`10 ms^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • RACE

    ALLEN |Exercise Basic Maths (Properties of Matter & Fluid Mechanics)(Hydrostatics)|20 Videos

  • RACE

    ALLEN |Exercise Basic Maths (Properties of Matter & Fluid Mechanics)(Surface Tension)|26 Videos

  • RACE

    ALLEN |Exercise Basic Maths (Properties of Matter & Fluid Mechanics)(Elasticity)|20 Videos

  • NEWTONS LAWS OF MOTION

    ALLEN |Exercise EXERCISE-III|28 Videos

  • SIMPLE HARMONIC MOTION

    ALLEN |Exercise Example|1 Videos

Similar Questions

Explore conceptually related problems

One end of a horizontal pipe is closed with the help of a velve and the reading of a barometer attached in the pipe is 3xx10^(5) pascal When the value in the pipe is opened then the reading of barometer falls to 10^(5) pascal the velocity of water flowing through the pipe will be in m/s-

The diameter of one end of a tube is 2 cm and that of another end is 3 cm . Velocity and pressure of water at narrow end are 2ms^(-1)and1.5xx10^(5)Nm^(9-2) respectively . If the height differnce between narrow and broad ends is 2.5 m , find the velocity and pressure of water at the broad end .(Density of water is 1xx10^(3)kgm^(-3)) . The narrow end is higher .

In the given figure when the key is open the ammeter reading is 5 amp. What will be the ammeter reading when the key is closed

An electric dipole with dipole moment 4 xx 10^(-9) Cm is aligned at 30° with the direction of a uniform electric field of magnitude 5 xx 10^4 NC^(-1) . Calculate the magnitude of the torque acting on the dipole.

Water from a tap emerges vertically downwards with an initial spped of 1.0ms^-1 . The cross-sectional area of the tap is 10^-4m^2 . Assume that the pressure is constant throughout the stream of water, and that the flow is steady. The cross-sectional area of the stream 0.15 m below the tap is

The mass of a particle is 1mg and its velocity is 4.5xx10^(5)cm per second. What should be the wavelength of this particle if h=6.652xx10^(-27) "erg second" .

ALLEN -RACE-Basic Maths (Properties of Matter & Fluid Mechanics)(Fluid Dynamics + Viscosity)
  1. Blood is flowing at the rates of 200 cm^(3)//sec in a capillary of cro...

    Text Solution

    |

  2. The cylindrical tube of a spray pump has a cross-section of 8 cm^2, on...

    Text Solution

    |

  3. A cylindrical vessel of 92 cm height is kept filled upto to brim. It h...

    Text Solution

    |

  4. A cylindrical tank has a hole of 1 cm in its bottom. If the water is a...

    Text Solution

    |

  5. A tank containing water has an orifice in one vertical side. If the ce...

    Text Solution

    |

  6. Air is streaming past a horizontal airplane wing such that its speed i...

    Text Solution

    |

  7. An air bubble of 1 cm radius is rising at a steady rate of 2.00ms^-1 t...

    Text Solution

    |

  8. Sixty four spherical rain drops of equal size are falling vertically t...

    Text Solution

    |

  9. A layer of glycerine of thickness 1 mm is present between a large surf...

    Text Solution

    |

  10. Water contained in a tank flows through an orifice of a diameter 2 cm ...

    Text Solution

    |

  11. A tiny sphere of mass m and density x is dropped in a jar of glycerine...

    Text Solution

    |

  12. A small steel ball of mass m and radius r is falling under gravity thr...

    Text Solution

    |

  13. A sphere of brass released in a long liquid column attains a terminal ...

    Text Solution

    |

  14. A river 10 m deep is flowing at 5ms^(-1). The shearing stress between ...

    Text Solution

    |

  15. Working of paint-gun and scent sprayer is based on :-

    Text Solution

    |

  16. A liquid flows in a tube from left to right as shown in figure. A(1) a...

    Text Solution

    |

  17. A manometer connected to a closed tap reads 4.5 xx 10^(5) pascal. When...

    Text Solution

    |

  18. Two metal spheres are falling through a liquid of density 2xx10^(3)kg/...

    Text Solution

    |

  19. Water flows in a streamline manner through a capillary tube of radius ...

    Text Solution

    |

  20. A metal plate of area 10^(3)" "cm^(2) rests on a layer o oil 6 mm thic...

    Text Solution

    |