Home
Class 12
PHYSICS
An iron cube floats in a bowl of liquid ...

An iron cube floats in a bowl of liquid mercury at `0^(@)C` a. if the temperature is raised to `30^(@)C` will the cube float higher or lower in the mercuyr? B. By wat percent will the fraction of volume submerged change?

Text Solution

Verified by Experts

The correct Answer is:
a. More of the cube is submerged, b. 0.54 %
Promotional Banner

Topper's Solved these Questions

  • HEAT AND THERMAL EXPANSION

    PHYSICS GALAXY - ASHISH ARORA|Exercise ADVANCE MCQs WITH ONE OR MORE OPTIONIS CORRECT|24 Videos
  • GEOMETRICAL OPTICS

    PHYSICS GALAXY - ASHISH ARORA|Exercise Unsolved Numerical Problems|107 Videos
  • HEAT TRANSFER

    PHYSICS GALAXY - ASHISH ARORA|Exercise Unsolved Numerical Problems for Preparation of NSEP,INPhO&IPhO|66 Videos

Similar Questions

Explore conceptually related problems

A flat uniform cylinder of lead floats in mercury at 0^(@)C . Will the lead float higher or lower when the temperature is raised?

A piece of metal floats on mercury. The coefficients of volume expansion of the metal and mercury are gamma_1 and gamma_2 respectively. If the temperatures of both mercury and the metal are increased by an amount DeltaT , the fraction of the volume of the metal submerged in mercury changes by the factor............

A wooden cylindrical block floats vertically with 70% of its volume immersed in a liquid at 0^@C . When temperature increases to 70^@C , the block sinks in the liquid. The coefficient of cubical expansion of liquid in K^(-1) is

A non-conducting body floats in a liquid at 20^(@)C . with 2//3 of its volume immersed in the liquid When liquid temperature is increased to 100^(@)C, 3//4 of body volume is immersed in the liquid. Then the coefficient of real expansion of the liquid is... (neglecting the expansion of container of the liquid)

A block of wood is floating in water at 0^@ C . The temperature of water is slowly raised from 0^@ C to 10^@ C . How will the precentage of volume of block above water level change with rise in temperature?

A sphere of radius 3.5 cm and mass 250 gm floats in a liquid at 20^(@)C . As the temperature is raised, the sphere just being to sink at a temperature of 35^(@)C . If the density of liquid at 0^(@)C is 1.527gm//cm^(3) find the coefficient of cubical expansion of the liquid. Neglect expansion of the sphere.

A cube of coefficient of linear expansion alpah is floating in a bath containing a liquid of coefficeient of volume expansion gamma_(l) . When the temperature is raised by DeltaT , the depth upto which the cube is submerged in the liquid remains the same. Find relation between alpha and gamma_(l)

A block of wood is floating on water at 0^(@)C with a certain volume V above water level. The temperature of water is slowly raised to 20^(@)C . How does the volume V change with the rise of temperature ?

A piece of metal floats on mercury. The coefficient of volume expansion of metal and mercury are gamma_1 and gamma_2 , respectively. if the temperature of both mercury and metal are increased by an amount Delta T , by what factor does the frection of the volume of the metal submerged in mercury changes ?

A block of wood is floating on water at 0^(@)C with volume V_(0) above water. When the temperature of water increases from 0 to 10^(@)C , the change in the volume of the block That is above water is best described schematically by the graph

PHYSICS GALAXY - ASHISH ARORA-HEAT AND THERMAL EXPANSION-UNSOLVED NUMRICAL PROBLEMS FOR PREPARATION OF NSEP, INPhO & IPhO
  1. An earthware vessel loses 1 g of water per second due ot evaporation. ...

    Text Solution

    |

  2. A steel rule is calibrated at 22^(@)C against a standard so that the d...

    Text Solution

    |

  3. An iron cube floats in a bowl of liquid mercury at 0^(@)C a. if the te...

    Text Solution

    |

  4. A precise steel tape measure has been calibrated at 20^(@)C. At 40^(@)...

    Text Solution

    |

  5. An 18-g ice cube (at 0^(@)C) is dropped into a glass containing 200 g ...

    Text Solution

    |

  6. A bimetalis strip conists of two metakl strips with diffesrent coeffic...

    Text Solution

    |

  7. A thin smooth tube of length 2 m containing a small pallet of mercury ...

    Text Solution

    |

  8. From what height must a block of ice fall to just melt by the impact a...

    Text Solution

    |

  9. A hole is drilled into a block of lead of mass 10kg by a driller. The ...

    Text Solution

    |

  10. A mercury thermometer is to be made with glass tubing of internal bore...

    Text Solution

    |

  11. A lump of ice of 0.1 kg at -10^(@)C is put in 0.15 kg of water at 20^(...

    Text Solution

    |

  12. A metallic bob weights 50 g in air. If it is immersed in a liquid at a...

    Text Solution

    |

  13. A copper calorimeter of mass 190 g contains 300 g of water at 0^(@)C a...

    Text Solution

    |

  14. In an industrial process 10 kg of water per hour is to be heated from ...

    Text Solution

    |

  15. In the past it was practice to measure temperature using so called wei...

    Text Solution

    |

  16. A barometer having a brass scale reads 77.24 cm at a temperature of 20...

    Text Solution

    |

  17. A horizontal thin copper ring has a diameter exactly 1.00000 inch at t...

    Text Solution

    |

  18. Aniline is a liquid which does not mix with water. When a small quanti...

    Text Solution

    |

  19. During light activity a 70 kg person may generate 200 kcal/hr. Assumin...

    Text Solution

    |

  20. A makki ki roti has 100 kcal of thermal energy. What a man of 60 kg ea...

    Text Solution

    |