Home
Class 11
PHYSICS
if a ball of steel (density rho=7.8 g//c...

if a ball of steel (density `rho=7.8 g//cm^(3)`) attains a terminal velocity of `10 cm//s` when falling in a tank of water (coefficient of viscosity, `eta_(water) =8.5xx10^(-4)`Ps s), then its terminal velocity in glycerine `(rho =1.2 g//cm^(2), eta =13.2 Pa s)` would be nearly

A

`1.6xx10^(-5)cms^(-1)`

B

`6.25xx10^(-4)cms^(-1)`

C

`6.45xx10^(-4)cms^(-1)`

D

`1.5xx10^(-5)cms^(-1)`

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 5 B (MCQ)|13 Videos

  • ELASTICITY, SURFACE TENSION AND FLUID MECHANICS

    ALLEN|Exercise Exercise 5 B (Multiple correct answers)|2 Videos

  • ELASTICITY, SURFACE TENSION AND FLUID MECHANICS

    ALLEN|Exercise Exercise 4 B (Bran storming Subjective Exercise)|15 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 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

A drop of water of radius 0.0015 mm is falling in air. If the coefficient of viscosity of air is 1.8xx10^(-8)kgm^(-1)s^(-1) what will be the terminal velocity of the drop. Density of air can be neglected.

A drop of water of radius 0.0015 mm is falling in air .If the cofficient of viscosity of air is 2.0 xx 10^(-5) kg m^(-1)s^(-1) ,the terminal velocity of the drop will be (The density of water = 10^(3) kg m^(-3) and g = 10 m s^(-2) )

A drop of water of radius 0.001 mm is falling in air. If the coeffcient of viscosity of air is 1.8 xcx 10^(-5) kg m^(-1) s^(-1) , what will be the terminal velocity of the drop? Neglect the density of air.

Find the terminal velocity of a rain drop of radius 0.01 mm. The coefficient of viscosity of air is 1.8xx10^-5 N-sm^-2 and its density is 1.2kgm^-3 .Density of water =1000kgm^-3 . Take g=10ms^-2

If an oil drop of density 0.95xx10^(3)kg//m^(3) and radius 10^(-4) cm is falling in air whose density is 1.3 kg//m^(3) and coefficient of viscosity is 18xx10^(-6)kg//(m-s) . Calculate the terminal speed of the drop.

A lead sphere of 1.0 mm diameter and relative density 11.20 attains a terminal velocity of 0.7 cm s^(-1) in a liquid of relative density 1.26 . Determine the coefficient of dynamic viscosity of the liquid.

Water is flowing in a pipe of radius 1.5 cm with an average velocity 15 cm s^(-1) . What is the nature of flow? Given coefficient of viscosity of water is 10^(-3) kg m^(-1) s^(-1) and its density is 10^(3) kg m^(-3)

find the terminal velocity of a steel ball 2mm in diameter falling through glycerine. Relative density of steel =8, relative density of glycerine =1.3 and viscosity of glycerine=8.3 poise.

ALLEN-ELASTICITY, SURFACE TENSION AND FLUID MECHANICS-Exercise 5 A (Previous year Questions)
  1. A spherical solild of volume V is made of a material of density rho(1)...

    Text Solution

    |

  2. A jar is filled with two non-mixing liquids 1 and 2 haivng densities r...

    Text Solution

    |

  3. A capillary tube (A) is dipped in water. Another identical tube (B) is...

    Text Solution

    |

  4. A spherical solild of volume V is made of a material of density rho(1)...

    Text Solution

    |

  5. Two wires are made of the same material and have the same volume. Howe...

    Text Solution

    |

  6. A ball is made of a material of density rho where rho(oil)ltrholtrho(w...

    Text Solution

    |

  7. Water is flowing continuously from a tap having an internal diameter 8...

    Text Solution

    |

  8. Work done in increasing the size of a soap bubble from a radius of 3cm...

    Text Solution

    |

  9. Two mercury drops (each of radius r) merge to form a bigger drop. The ...

    Text Solution

    |

  10. if a ball of steel (density rho=7.8 g//cm^(3)) attains a terminal velo...

    Text Solution

    |

  11. A thin liquid film formed between a U-shaped wire and a light slider s...

    Text Solution

    |

  12. There is a circular tube in a vertical plane. Two liquids which do not...

    Text Solution

    |

  13. On heating water, bubbles being formed at the bottom of the vessel det...

    Text Solution

    |

  14. If it takes 5 minutes to fill a 15 litre bucket from a water tap diame...

    Text Solution

    |

  15. If two glass plates have water between them and are separated by very ...

    Text Solution

    |

  16. Consider a water jar of radius R that has water filled up to height H ...

    Text Solution

    |

  17. A uniformly tapering conical wire is mae from a material of young's mo...

    Text Solution

    |

  18. A simple pendulum made of bob of mass m and a metallic wire of neglig...

    Text Solution

    |

  19. Which of the following optiona correctly describes the variation of th...

    Text Solution

    |

  20. A bottle has an opening of radius a and length b. A cork of length b a...

    Text Solution

    |