Home
Class 11
PHYSICS
Two identical bodies are made of a mater...

Two identical bodies are made of a material for which the heat capacity increases with temperature.One of these is at `100^@C`,while the other one is at `0^C`.If the two bodies are brought into contact, then assuming no heat loss .the final common temperature is

A

less then `50^@C` but greater than `0^@C`

B

`0^@C`

C

`50^@C`

D

more than `50^@C`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • BEHAVIOUR OF PERFECT GAS AND KINETIC THEORY

    SARAS PUBLICATION|Exercise EXAMPLE|24 Videos

  • GRAVITATION

    SARAS PUBLICATION|Exercise EXAMPLE|34 Videos

Similar Questions

Explore conceptually related problems

The lengths and radii of two rods made of same material are in the ratios 1 : 2 and 2 : 3 respectively. If the temperature difference between the ends for the two rods be the same, then in the steady state, the amount of heat flowing per second through them will be in the ratio

A body of mass of 10^6g having a specific heat capacity of 4.18 J / g°C with a temperature change of 6.5 °C . Find out the required heat absorbed by the body ?

A rigid container of negligible heat capacity contains one mole of an ideal gas. The temperatures of the gas increases by 1^@C if 3.0 cal of heat is added to it. The gas may be

Two rectangular blocks A and B of different metals have same length and same area of cross-section. They are kept in such a way that their cross-sectional area touch each other. The temperature at one end of A is 100°C and that of B at the other end is 0°C. If the ratio of their thermal conductivity is 1 : 3, then under steady state, the temperature of the junction in contact will be

A Carnot engine converts one-sixth of the heat into work. When the temperature of the sink is reduced by 62°C, the efficiency of the engine is doubled. The temperature of the source and sink are

An adiabatic vessel of total volume V is divided into two equal parts by a conducting separator. The separator is fixed in this position. The part on the left contains one mole of an ideal gas (U=1.5 nRT) and the part on the right contains two moles of the same gas. initially, the pressure on each side is p. the system is left for sufficient time so that a steady state is reached. find (a) the work done by the gas in the left part during the process, (b) the temperature on the two sides in the beginning, (c ) the final common temperature reached by the gases, (d) the heat given to the gas in the right part and (e) the increase in the internal energy of the gas in the left part.

A metal ball of mass 1kg is heated by means of a 20W heater in a room at 20^(@)C . The temperature of the ball becomes steady at 50^(@)C . (a) Find the rate of loss of heat to the surrounding when the ball is at 50^(@)C . (b) Assuming Newton's law of cooling, calculate the rate of loss of heat to the surrounding when the ball is at 30^(@)C . (c) Assume that the temperature of the ball rises uniformly from 20^(@)C to 30^(@)C in 5 minutes. Find the total loss of heat to the surrounding during this period. (d) Calculate the specific heat capacity of the metal.

The two ends of metal rod are maintained at temperatures 100^@C and 110^@C . The rate of heat flow in the rod is found to be 4.0J//S .If the end are maintained at temperatures 200^@C and 210^@C , the rate of heat flow will be.

SARAS PUBLICATION-BULK MATTER -EXAMPLE
  1. Certain quantity of water,cools from 70^@C to 60^@C in the first 5 min...

    Text Solution

    |

  2. One mole of an ideal diatomice gas undergoes a transition from AtoB al...

    Text Solution

    |

  3. The ratio of the specific heats (Cp)/(Cv)=gamma in terms of degrees o...

    Text Solution

    |

  4. Figures below shows two paths that may be taken by a gas to go from a ...

    Text Solution

    |

  5. The two ends of metal rod are maintained at temperatures 100^@C and 11...

    Text Solution

    |

  6. The young's modulus of steel is twice that of brass . Two wires of sam...

    Text Solution

    |

  7. Light of wavelength 500 nm is incident on a metal with work function 2...

    Text Solution

    |

  8. If dimensions of critical velocity of a liquid vc flowing through a tu...

    Text Solution

    |

  9. A bullet of mass 10g moving horizontally with a velocity of 400 ms^-1s...

    Text Solution

    |

  10. A rectangular film of liquid is extended from (4cmxx2cm)to(5cmxx4cm).I...

    Text Solution

    |

  11. Three liquids of densities rho1rho2and rho3(with rho1>rho2>rho3), hav...

    Text Solution

    |

  12. Two identical bodies are made of a material for which the heat capacit...

    Text Solution

    |

  13. Coefficient of linear expansion of brass and steel rods are s...

    Text Solution

    |

  14. A piece of ice falls from a height h so that it melts completely .Only...

    Text Solution

    |

  15. A black body is at temperature of 5760 K.The energy of radiation emit...

    Text Solution

    |

  16. Two rods Aand B of different material are welded together as shown in ...

    Text Solution

    |

  17. Young's double slit experiment is first performed in air and then in a...

    Text Solution

    |

  18. A spherical black body with a radius of 12 cm radiates 450 watt power ...

    Text Solution

    |

  19. The bulk modulus of a spherical object is 'B' , If it is subjected to ...

    Text Solution

    |

  20. A U tube will both ends open to the atmosphere, is partially filled wi...

    Text Solution

    |