Home
Class 11
PHYSICS
Two liquids of densities d(1) and d(2) a...

Two liquids of densities `d_(1)` and `d_(2)` are flowing in identical capillaries under same pressure difference. If `t_(1)` and `t_(2)` are the time taken for the flow of equal quantities of liquid, then the ratio of coefficients of viscosities of liquids must be

A

`(d_(1)d_(2))/(t_(1)t_(2))`

B

`(d_(1)t_(1))/(d_(2)t_(2))`

C

`(d_(1)t_(2))/(d_(2)t_(1))`

D

`sqrt(((d_(1)t_(1))/(d_(2)t_(2))))`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELASTICITY, SURFACE TENSION AND FLUID MECHANICS

    ALLEN |Exercise Exercise 2 (One or more than one correct answer)|53 Videos

  • ELASTICITY, SURFACE TENSION AND FLUID MECHANICS

    ALLEN |Exercise Exercise 3 (Assertion & Reason)|32 Videos

  • ELASTICITY, SURFACE TENSION AND FLUID MECHANICS

    ALLEN |Exercise Exercise 1 (Surface Tension)|21 Videos

  • CENTRE OF MASS

    ALLEN |Exercise EXERCISE-V B|19 Videos

  • ERROR AND MEASUREMENT

    ALLEN |Exercise Part-2(Exercise-2)(B)|22 Videos

Similar Questions

Explore conceptually related problems

A projectile can have the same range R for two angles of projection. If t_(1) and t_(2) be the times of flight in the two cases:-

The volume of a liquid flowing out per second of a pipe of length I and radius r is written by a student as V=(pi)/(8)(pr^(4))/(etal) where p is the pressure difference between the two ends of the pipe and eta is coefficent of viscosity of the liquid having dimensional formula (ML^(-1)T^(-1)) . Check whether the equation is dimensionally correct.

A plate of area 2m^(2) is made to move horizontally with a speed of 2m//s by applying a horizontal tangential force over the free surface of a liquid. If the depth of the liquid is 1m and the liquid in contact with the bed is stationary. Coefficient of viscosity of liquid is 0.01 poise. Find the tangential force needed to move the plate.

A liquid flows in a tube from left to right as shown in figure. A_(1) and A_(2) are the cross-section of the portions of the tube as shown. Then the ratio of speeds v_(1)//v_(2) will be

A projectile can have the same range 'R' for two angles of projection . If 'T_(1)' and 'T_(2)' to be times of flights in the two cases, then the product of the two times of flights is directly proportional to .

In a vertical U -tube containing a luquid, the two arms are maintained at different temperatures, t_(1) and t_(2) . The liquid coplumns in the two arms have heights l_(1) and l_(2) respectively. The coefficient of volume expansion of the liquid is equal to

Two immiscible of densities 2.5g//cm^(3) and 0.8g//cm^(3) are taken in the ratio of their masses as 2:3 respectively find the average density of the liquid conbination.

Shown in the figure is a container whose top and bottom diameters are D and d respectively At the bottom of the container these is a cappillary tube of outer radius b and inner radius a. the volume flow rate in the capillary is Q. if the capillary is removed the liquid comes out with a velocity of v_(0) . The density of the liquid is given as calculate the coefficient of viscosity eta (given pia^(2)=10^(-6)m^(2) and (a^(2))/(l)=2xx10^(-6)m ]

Explain why (a) Two bodies at different temperatures T_(1) and T_(2) if brought in thermal contact do not necessarily settle to the mean temperature (T_(1) + T_(2))//2 . (b) The coolant in a chemical or a nuclear plant (i.e., the liquid used to prevent the different parts of a plant from getting too hot) should have high specific heat. (c) Air pressure in a car tyre increases during driving. (d) The climate of a harbour town is more temperate than that of a town in a desert at the same latitude.

ALLEN -ELASTICITY, SURFACE TENSION AND FLUID MECHANICS-Exercise 1 (Fluid Statics)
  1. A boat carrying a large number of stones is floating in a water tank. ...

    Text Solution

    |

  2. An object of weight W has a uniform rectangular cross section of a x2a...

    Text Solution

    |

  3. Streamline motion is that motion in which there is-

    Text Solution

    |

  4. An aeroplane of mass 3xx10^(4)kg and total wing area of 120 m^(2) is i...

    Text Solution

    |

  5. One end of a horizontal pipe is closed with the help of a velve and th...

    Text Solution

    |

  6. A man can swim with a speed of 4.0 km/h in still water . How long doe...

    Text Solution

    |

  7. A U-tube of small and uniform cross section contains water of total le...

    Text Solution

    |

  8. 16cm^(3) of water flows per second through a capillary tube of radius ...

    Text Solution

    |

  9. The water level on a tank is 5m high. There is a hole of 1 cm^(2) cro...

    Text Solution

    |

  10. In the following fig., the flow of liquid through a horizontal pipe is...

    Text Solution

    |

  11. The diagram (figure) shows a venturimeter, through which water is flow...

    Text Solution

    |

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

    Text Solution

    |

  13. More viscous oil is used in summer than in winterr in motors due to

    Text Solution

    |

  14. With increase in temperature the viscosity of

    Text Solution

    |

  15. A rain drop of radius 0.3 mm has a terminal velocity in air 1m/s. the ...

    Text Solution

    |

  16. Two liquids of densities d(1) and d(2) are flowing in identical capill...

    Text Solution

    |

  17. The velocity of falling rain drop attain limited value bacause of

    Text Solution

    |

  18. The rate of flow of liquid through a capillary tube in an experiment t...

    Text Solution

    |

  19. A copper ball of radius r travels with a uniform speed v in a viscous ...

    Text Solution

    |

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

    Text Solution

    |