Home
Class 11
PHYSICS
The velocity of water in river is 9 km/h...

The velocity of water in river is 9 km/h of the upper surface . The river is 10 m deep . If the coefficient of viscosity of water is `10^(-2) ` poise then the shearing stress between horizontal layers of water is

A

`0.25 xx10^(-2) N//m^(2)`

B

`0.25 xx10^(-3)N//m^(2)`

C

`0.5xx10^(-3)N//m^(2)`

D

`0.75 xx10^(-3)N//m^(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • FRICTION IS SOLIDS AND LIQUIDS

    TARGET PUBLICATION|Exercise MCQ (EVALUATION TEST)|21 Videos
  • FRICTION IS SOLIDS AND LIQUIDS

    TARGET PUBLICATION|Exercise MCQ (CRITICAL THINKING)|66 Videos
  • FORCE

    TARGET PUBLICATION|Exercise Evaluation Test|18 Videos
  • Gravitation

    TARGET PUBLICATION|Exercise Exercise|273 Videos

Similar Questions

Explore conceptually related problems

What will be the critical velocity of water in a tube of radius 1 m , if the coefficient of viscosity of water is 1793 poise and Reynold's number is 2000 ?

A rain drop of radius 0.5 mm has a terminal velocity in air 2 m/s. If the coefficient of viscosity of air is 1.8xx10^(-4) poise, the viscous drag on the rain drop will be

The maximum average velocity of water in a tube of diameter 2 cm so that the flow becomes laminer is [Viscosity of water is 10^(-3)N m^(-2)s^(-1)]

There is an oil layer on the water surface of river in your area. What will you do?

The terminal velocity of a water drop of radius 0.01 mm falling through air is 1.12 cm/s. If the density of air is neglected, the coefficient of viscosity of air is [density of water =10^(3) kg//m^(3), g=9.8m//s^(2)]

The water flows form a tap of diameter 1.25 cm with a rate of 5xx10^(-5) m^(3) s^(-1). The density and coefficient of viscosity of water are 10^(3)kg m ^(-3) and 10^(-3) Pa. s respectively. The flow of water is

Ten litre of water is compressed by an increase in pressure of 10 atmosphere. If the compressibility of water is 5xx10^(-10)m^(2)//N, then the change in volume of water will be (one atmosphere =10^(5)N//m^(2)).

The velocity of light in glass is 2 xx 10^(8) m/s. If refractive index of glass with respect to water is 9/8, then the velocity of light in water is

The force of surface tension on a ring situated on the surface of water is 14pixx10^-4N . Then the diameter of the ring is (Surface tension of water =70xx10^-3 N//m

What will be the approximate terminal velocity of a rain drop of diamteter 1.8xx 10^(-3)m, when density of rain water ~~10^(3)kgm^(-3) and the co-efficient of viscosity of air ~~1.8xx10^(-5)Nsm^(-2) ? (Neglect buoyancy of air. )

TARGET PUBLICATION-FRICTION IS SOLIDS AND LIQUIDS -MCQ (COMPETITIVE THINKING)
  1. Water is flowing continuously from a tap having an internal diameter 8...

    Text Solution

    |

  2. Velocity of water in a river is

    Text Solution

    |

  3. The velocity of water in river is 9 km/h of the upper surface . The ri...

    Text Solution

    |

  4. A metal plate of area 500 cm^92) is kept on a horizontal surface with ...

    Text Solution

    |

  5. Spherical balls of radius 'R' are falling in a viscous fluid of viscos...

    Text Solution

    |

  6. A gas bubble of 2 cm diameter rises through a liquid 1.75 gm cm^(-3) w...

    Text Solution

    |

  7. What will be the approximate terminal velocity of a rain drop of diamt...

    Text Solution

    |

  8. A solid ball of volume V is dropped in a viscous liquid. It e...

    Text Solution

    |

  9. A small spherical solid ball is dropped from a great height in a visco...

    Text Solution

    |

  10. A small metal ball of mass m is dropped in a liquid contained in a ves...

    Text Solution

    |

  11. A small sphere of mass m is dropped from a height After it has fallen ...

    Text Solution

    |

  12. The terminal speed of a sphere of gold (density = 19.5 kg m^(-3)) is 0...

    Text Solution

    |

  13. Two solid spheres of same metal but of mass M and 8M fall simultaneous...

    Text Solution

    |

  14. Two spheres of equal masses but radii r(1) and r(2) are allowed to fal...

    Text Solution

    |

  15. Two drops of the same radius are falling through air with a steady vel...

    Text Solution

    |

  16. The onset of turbulence in a liquid is determined by

    Text Solution

    |

  17. The dimensions of Reynold’s constant are

    Text Solution

    |

  18. The speed at which the flow of water in a long cylindrical pipe of dia...

    Text Solution

    |

  19. A horizontal pipeline carrying gasoline has a cross-sectional diameter...

    Text Solution

    |

  20. The water flows form a tap of diameter 1.25 cm with a rate of 5xx10^(-...

    Text Solution

    |