Home
Class 12
PHYSICS
A cubical box of wood of side 30 cm and ...

A cubical box of wood of side 30 cm and mass 21.6 kg floats on water with two faces horizontal. The length of immersed part in water is :
`(rho_("wood")=0.8g//c c)`

A

30 cm

B

12 cm

C

6 cm

D

24 cm

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • RACE

    ALLEN |Exercise Basic Maths (Properties of Matter & Fluid Mechanics)(Surface Tension)|26 Videos
  • RACE

    ALLEN |Exercise Basic Maths (Thermal Physics) (Temperature scales & thermal expansion)|14 Videos
  • RACE

    ALLEN |Exercise Basic Maths (Properties of Matter & Fluid Mechanics)(Fluid Dynamics + Viscosity)|20 Videos
  • NEWTONS LAWS OF MOTION

    ALLEN |Exercise EXERCISE-III|28 Videos
  • SIMPLE HARMONIC MOTION

    ALLEN |Exercise Example|1 Videos

Similar Questions

Explore conceptually related problems

A cubical block of wood of edge 3 cm floats in water. The lower surface of the cube just touches the free end of a vertical spring fixed at the bottom of the pot. Find the maximum weight that can be put on the block without wetting it. Density of wood = 800 kgm^-3 and spring constant of the spring =50Nm^-1 Take g=10ms^-2 . ,

A thermocole cubical icebox of side 30 cm has a thickness of 5.0 cm if 4.0 kg of ice are put ini the box, estimate the amount of ice remaining after 6 h. The outside temperature is 45^@C and coefficient of thermal conductivity of thermocole =0.01 J//kg .

A 'thermacole' icebox is cheap and efficient method for storing small quantities of cooked food in summer in particular. A cubical icebox of side 30 cm has a thickness of 5.0 cam if 4.0 kg of ice is put in the box, estimate the amount of ice remaining after 6 h. The outside temperature is 45^(@)C , and coefficient of thermal conductivity of thermacole is 0.01" Js"^(-1)m^(-1)K^(-1) . [Heat of fusion of water =335xx10^(3)" Jkg"^(-1) ]

A' thermacole' icebox is a cheap and an efficient method for storing small quantities of cooked food in summer in particular. A cubical icebox of side 30 cm has a thickness of 5.0 cm. "if "4.0 kg of ice is put in the box, estimate the amount of Ice remaining after 6 h. The outside temperature is 45^(@) C and co-efficient of thermal conductivity of thermacole is 0.01 J s^(-1) m^(-1) K^(-1) . [Heat of fusion of water = 335 xx 10^(3) J kg^(-1) ]

Iceberg floats in water with part of it submerged .What is the fraction of the volume of inceberg submerged if the density of ice is rho_(i)=0.917g//cm^(3) .

A cylindrical log of wood of height h and area of cross-section A floats in water. It is pressed and then released. Show that the log would execute SHM with a time period. T= 2pi sqrt((m)/(A p g)) where, m is mass of the body and p is density of the liquid. .

A block rests on a rough inclined plane making an angle of 30° with the horizontal. The coefficient of static friction between the block and the plane is 0.8. If the frictional force on the block is 10 N, the mass of the block ((in kg) is .......... (Take g = 10 m//s^(2) )

The inner diameter of a cylindrical wooden pipe is 24 cm and its outer diameter is 28 cm. The length of the pipe is 35 cm. Find the mass of the pipe, if 1 cm^(3) of wood has a mass of 0.6 g.

The total weight of a piece of wood is 6 kg in the floating state in water its 1/3 part remains inside the water on this floating solid what maximum weight is to be put such that the whole of the piece of wood is to be drowned in the water

There are two cylinder shaped wooden bullets, each having mass M, in a vertical wall sewage, which contains water in it. The two bullets have same size and same material , they touch each other and walls of sewage. One of them is totally under water, where the other one is immersed only half into water. Friction is negligible if density of wood is given by (3)/(x)p_(omega) (p_(omega) "is density of water") then find x

ALLEN -RACE-Basic Maths (Properties of Matter & Fluid Mechanics)(Hydrostatics)
  1. A tank 5 m high is half filled with water and then is filled to top wi...

    Text Solution

    |

  2. The densit of a block of wood which flots on water with 0.1 of its vol...

    Text Solution

    |

  3. Two solids A and B floats in water. It is observed that A floats with ...

    Text Solution

    |

  4. A ball whose density is 0.4 xx 10^3 kg//m^3 falls into water from a h...

    Text Solution

    |

  5. A liquid X of density 3.36 g//cm^(3) poured in a U-tube which contains...

    Text Solution

    |

  6. A piece of solid weighs 120 g in air ,80 g in water and 60 g in a liqu...

    Text Solution

    |

  7. A body of uniform cross-sectional area floats in a liquid of density t...

    Text Solution

    |

  8. A cubical box of wood of side 30 cm and mass 21.6 kg floats on water w...

    Text Solution

    |

  9. A cube of edge length 10 cm is just balanced at the interface of two l...

    Text Solution

    |

  10. The pressure of confined air is p. If the atmospheric pressure is P, t...

    Text Solution

    |

  11. Figure shows a container filled with a liquid of density rho. Four poi...

    Text Solution

    |

  12. A cubical block is floating in a liquid with one fourth o its volume i...

    Text Solution

    |

  13. A metallic sphere of mass 3 kg in air is held by a string so as to be ...

    Text Solution

    |

  14. A cube made of material having a density of 900 kgm^(-3) floats betwee...

    Text Solution

    |

  15. From the following figure, the correct observation is :-

    Text Solution

    |

  16. The neck and bottom of a bottle are 3 cm and 15 cm in radius respectiv...

    Text Solution

    |

  17. An open U-tube contains mercury. When 11.2 cm of water is poured into ...

    Text Solution

    |

  18. A block of wood floats in water with (4//5)th of its volume submerged....

    Text Solution

    |

  19. A body weigh 50 g in air and 40 g in water. How much would it weigh in...

    Text Solution

    |

  20. Two spheres of volume 250 cc each but of relative densities 0.8 an d 1...

    Text Solution

    |