Home
Class 12
PHYSICS
The velocity of a small ball of mass M a...

The velocity of a small ball of mass M and density d when dropped in a container filled with glycerine becomes constant after sometime. If the density of glycerine is 'd/2' then the viscous force acting on the ball will be

A

`3/2 Mg`

B

`2 Mg`

C

`Mg/2`

D

`Mg`

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • NEET 2020

    NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)|Exercise All Questions|45 Videos
  • NEET 2022

    NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)|Exercise Question|50 Videos

Similar Questions

Explore conceptually related problems

The velocity of small ball of mass M and density ( d_(1)= when dropped a container filled with glycerine becomes constant after some time. If the density glycerine is d_(2) , the viscous force acting on ball is

The velocity of a small ball of mass 10 g and density 7.8 g//c c . When dropped in a container filled with glycerine becomes constant after some time. If the density of glycerine is 1.3 g//c c . What is the viscous force acting on the ball?

A small ball of mass m and density rho is dropped in a viscous liquid of density sigma . Ather some time the ball falls with a constant velocity. Calculate the viscous force acting on the ball.

A tiny sphere of mass m and density x is dropped in a jar of glycerine of density y. When the sphere aquires terminal velocity, the magnitude of the viscous force acting on it is :

A solide ball of volume V is dropped in a viscous liquid. It experiences a viscous force F. If the solid ball of volume 2V of same material is dropped in the same fluid, then the viscous force acting on it will be

A body of density D1 and mass M is moving downward in glycerine of density D_2 . What is the viscous force acting on it ?

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.

A spherical ball of radius r and density d is dropped from rest in a viscous fluid having density rho and coefficient of viscosity eta . (a) Calculate the power (P_(1)) of gravitational force acting on the ball at a time t after it is dropped. (b) Calculate the rate of heat generation (P_(2)) due to rubbing of fluid molecules with the ball, at time t after it is dropped. (c) How do P_(1) and P_(2) change if the radius of the ball were doubled? (d) Find P_(1) and P_(2) when both become equal.

NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-NEET 2021-QUESTION
  1. Polar molecules are the molecules:

    Text Solution

    |

  2. Match column 1 and column 2 and choose correct match from the given ch...

    Text Solution

    |

  3. A convex lens A of focal length 20cm and a concave lens G of focal le...

    Text Solution

    |

  4. A cup of coffee cools from 90^0 C to 80^0 C in t minutes when the room...

    Text Solution

    |

  5. The escape velocity from the earth's surface is v. The escape velocity...

    Text Solution

    |

  6. A body is executing simple harmonic motion with frequency 'n' the freq...

    Text Solution

    |

  7. The number of photons per second on an average emitted by the souce of...

    Text Solution

    |

  8. A dipole is placed in an electric field as shown. In which directions ...

    Text Solution

    |

  9. For a plane EM wave propagating in x-direction which one of the follow...

    Text Solution

    |

  10. The velocity of a small ball of mass M and density d when dropped in a...

    Text Solution

    |

  11. A parallel plate capacitor has a uniform electric field vec(E) in the ...

    Text Solution

    |

  12. A spring is stretched by 5cm by a force 10N. The time period of the os...

    Text Solution

    |

  13. A thick current carrying cable of radius 'R' carries current 'I' unifo...

    Text Solution

    |

  14. Three resistors having resistance r1, r2, r3 are connected as shown. T...

    Text Solution

    |

  15. A uniform rod of length 200cm and mass 500g is balanced on a wedge pla...

    Text Solution

    |

  16. In the product vec (F) = q (vec(v) xx vec(B)) = q vec(v) xx (B hat(i...

    Text Solution

    |

  17. A point object is placed at distance 60cm from a convex lens of focal ...

    Text Solution

    |

  18. For given circuit the input digital signals are applied at terminal A,...

    Text Solution

    |

  19. Find the value of angle of emergence from the prism. Refractive index ...

    Text Solution

    |

  20. The equivalent capacitance of combination shown in figure is

    Text Solution

    |