Home
Class 12
PHYSICS
A pump is used to pump a liquid of densi...

A pump is used to pump a liquid of density `rho` continuously through a pipe of cross, sectional area A. If liquid is flowing with speed v, then average power of pump is

A

`(1)/(3)rho A V^(2)`

B

`(1)/(2)rhoAV^(2)`

C

`2rhoAV^(2)`

D

`(1)/(2)rhoAV^(3)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • WORK, ENERGY AND POWER

    AAKASH INSTITUTE|Exercise Assignment (SECTION - B)|39 Videos

  • WORK, ENERGY AND POWER

    AAKASH INSTITUTE|Exercise Assignment (SECTION - C)|80 Videos

  • WORK, ENERGY AND POWER

    AAKASH INSTITUTE|Exercise EXERCISE|40 Videos

  • WAVES

    AAKASH INSTITUTE|Exercise ASSIGNMENT ( SECTION-D ( Assertion - Reason Type Questions ))|12 Videos

Similar Questions

Explore conceptually related problems

An engine pumps liquid of density d continuosly through a pipe of cross-section are A. If the speed with which liquid passes through the pipe is v, then the rate at which kinetic energy is being imparted to the liquid by the pump is

A liquid of density rho is flowing with a speed v through a pipe of cross sectional area A. The pipe is bent in the shape of a right angles as shown. What force should be exerted on the pipe at the corner to keep it fixed?

In streamline flow of liquid through a pipe of uniform cross sectional area, all stremlines are

A liquid of density rho is flowing with a speed V through a pipe of cross sectional area A. What force does the liquid stream exert on wall in x direction if it splashes in the form of a circle after it hits the wall?

Reynolds number for a liquid of density rho , viscosity eta and flowing through a pipe of diameter D, is given by

AAKASH INSTITUTE-WORK, ENERGY AND POWER-Assignment (SECTION - A)
  1. A body of mass m, accelerates uniformly from rest to V(1) in time t(1)...

    Text Solution

    |

  2. The power of a pump, which can pump 500 kg of water to height 100 m in...

    Text Solution

    |

  3. A pump is used to pump a liquid of density rho continuously through a ...

    Text Solution

    |

  4. A car of mass m has an engine which can deliver power P. The minimum t...

    Text Solution

    |

  5. From a waterfall, water is falling down at the rate of 100kg / s on th...

    Text Solution

    |

  6. On a particle placed at origin a variable force F=-ax(where a is a pos...

    Text Solution

    |

  7. The variation of potential energy U of a system is shown in figure. Th...

    Text Solution

    |

  8. The variation of potential energy U of a body moving along x - axis va...

    Text Solution

    |

  9. A particle of mass 200 g is moving in a circle of radius 2 m. The part...

    Text Solution

    |

  10. A particle of mass 200 g , is whirled into a vertical circle of radius...

    Text Solution

    |

  11. A stone of mass 1kg is tied with a string and it is whirled in a verti...

    Text Solution

    |

  12. An object of mass 80 kg moving with velocity 2ms^(-1) hit by collides ...

    Text Solution

    |

  13. A ball of mass m moving with velocity v collides head-on which the sec...

    Text Solution

    |

  14. Particle A makes a perfectly elastic collision with anther particle B ...

    Text Solution

    |

  15. A shell of mass m moving with a velocity breakes up suddenly into two ...

    Text Solution

    |

  16. A particle of mass m moving towards west with speed v collides with an...

    Text Solution

    |

  17. A body of mass 10 kg moving with speed of 3 ms ^(-1) collides with ano...

    Text Solution

    |

  18. A stationary particle explodes into two particles of masses x and y, w...

    Text Solution

    |

  19. Select the false statement

    Text Solution

    |

  20. A bullet of mass m moving with velocity v strikes a block of mass M at...

    Text Solution

    |