Home
Class 11
PHYSICS
One end of a 0.25 m long metal bar is in...

One end of a 0.25 m long metal bar is in steam and the other is in contact with ice . If 12 g of ice melts per minute, what is the thermal conductivity of the metal? Given cross-section of the bar `=5xx10^(-4) m^(2)` and latent heat of ice is `80 cal g^(-1)`

Promotional Banner

Topper's Solved these Questions

  • Thermal Properties of Matter

    SL ARORA|Exercise Exercise|449 Videos
  • System of particles & rotational Motion

    SL ARORA|Exercise EXERCISE|353 Videos
  • THERMODYNAMICS

    SL ARORA|Exercise Exercise|342 Videos

Similar Questions

Explore conceptually related problems

One end of 0.5 m long metal rod is in steam at 100^@C and the other end is put in ice at 0^@C . If ice melts at the rate of 10 g/min, calculate the thermal conductivity of the metal. Take, cross sectional area of rod = 2pi cm^2 . Latent ice of heat = 80 cal/g

A long metallic bar of length 0.5 m is placed in such a way that its one end is in ice and other end is in steam at 100^@C . What will be the thermal conductivity of the metal if amount of ice melt in 1 minute is 20 g, Cross sectional area of the bar = 4 xx 10^(-4) m^2 and latent heat of ice = 80 cal g^(-1) .

The entropy change in melting 1g of ice at 0^@C . (Latent heat of ice is 80 cal g^(-1) )

100 gm of water at 20^@C is converted into ice at 0^@C by a refrigerator in 2 hours. What will be the quantity of heat removed per minute? Specific heat of water = 1 cal g^(-1) C^(-1) and latent heat of ice = 80 cal g^(-1)

A metallic rod of cross-sectional area 20 cm^(2) , with the lateral surface insulated to prevent heat loss, has one end immersed in boiling water and the other in ice water mixture. The heat conducted through the rod melts the ice at the rate of 1 gm for every 84 sec. The thermal conductivity of the rod is 160 Wm^(-1)K^(-1) . Latent heat of ice=80 cal/gm, 1 ca=4.2 joule. What is the length (in m) of the rod?

One end of a copper rod of length 1.0 m and area of cross-section 10^(-3) is immersed in boiling water and the other end in ice. If the coefficient of thermal conductivity of copper is 92 cal//m-s-.^(@)C and the latent heat of ice is 8xx 10^(4) cal//kg , then the amount of ice which will melt in one minute is

One end of a uniform brass rod 20 cm long and 10 cm^2 cross-sectional area is kept at 100^@C . The other end is in perfect thermal contact with another rod of identical cross-section and length 10 cm. The free end of this rod is kept in melting ice and when the steady state has been reached, it is found that 360 g of ice melts per hour. Calculate the thermal conductivity of the rod, given that the thermal conductivity of brass is 0.25 cal//s cm^@C and L = 80 cal//g .

Calculate change in entropy when 5g of pure ice melts to form water at 0^(@)C Given latent heat of ice is 80cal//g at 0^(@)C .

A metal rod of length 20 cm and diamter 2 cm is convered with a non conducting substance. One of its ends is maintained at 100^(@)C , while the other end is put at 0^(@)C . It is found that 25 g ice melts in 5 min. calculate the coefficient of thermal conductivity of the metal. Latent that of ice = 80 cal g^(-1) .

One end of a brass rod of length 2.0 m and cross section 1cm^2 is kept in stream at 100^@C and the other end in ice at 0^@C . The lateral suface of the rod is covered by heat insulator. Determine the amount of ice melting per minute. Thermal conductivity of brass is 110 W//m-K and specific latent heat of fusion of ice is 80 cal//g .

SL ARORA-Thermal Properties of Matter-Exercise
  1. Calculate the difference in temperature between two sides of an iron p...

    Text Solution

    |

  2. An iron boiler is 10 mm thick and has a heating area 2m^(2). The two s...

    Text Solution

    |

  3. One end of a 0.25 m long metal bar is in steam and the other is in con...

    Text Solution

    |

  4. A layer of ice 0.15 m thick has formed on the surface of a deep pond. ...

    Text Solution

    |

  5. Water is boiled in a rectangular steel tank of thickness 2 cm by a con...

    Text Solution

    |

  6. Estimate the rate at which ice would melt in a wooden box 20 mm thick ...

    Text Solution

    |

  7. Steam at 373K is passed through a tube of radius 50 cm and length 3m. ...

    Text Solution

    |

  8. The thermal conductivity of copper is four times that of brass. Two ro...

    Text Solution

    |

  9. The temperature difference between the two ends of a bar 1.0 m long is...

    Text Solution

    |

  10. The ratio of the areas of cross section of two rods of different mater...

    Text Solution

    |

  11. A room at 20^@C is heated by a heater of resistence 20 ohm connected t...

    Text Solution

    |

  12. A pan filled with hot food cools from 94^(@)C to 86^(@)C in 2 minutes ...

    Text Solution

    |

  13. A pinhole is made in a hollow sphere of radius 5cm whose inner wall is...

    Text Solution

    |

  14. How much energy in radiated per minute from the filament of an incande...

    Text Solution

    |

  15. A full radiator at 0^(@)C radiates energy at the rate of 3.2 xx 10^(4)...

    Text Solution

    |

  16. To what temperature must a black body be raised in order to double tot...

    Text Solution

    |

  17. The temperature of a body in increased from 27^(@)C to 127^(@)C. By wh...

    Text Solution

    |

  18. A black body initially at 27^(@)C is heated to 327^(@)C is heated to 3...

    Text Solution

    |

  19. An electric bulb with tungsten filament having an area of 0.25 cm^(2) ...

    Text Solution

    |

  20. A sphere of radius 10 cm is hung inside an oven walls are at a tempera...

    Text Solution

    |