Home
Class 11
PHYSICS
The temperature drop through a two layer...


The temperature drop through a two layer furnace wall is `900^@C`. Each layer is of equal area of cross section. Which of the following actions will result in lowering the temperature `theta` of the interface?

A

By increasing the thermal conductivity of outer layer

B

By increasing thermal conductivity of inner layer

C

By increasing thickness of outer layer

D

By increasing thickness of inner layer

Text Solution

Verified by Experts

The correct Answer is:
A, D
Promotional Banner

Topper's Solved these Questions

  • COMMUNICATION SYSTEM

    DC PANDEY|Exercise Only One Option is Correct|27 Videos

  • ELASTICITY

    DC PANDEY|Exercise Medical entrances s gallery|21 Videos

Similar Questions

Explore conceptually related problems

Which of the following furnaces can be used to get above 3000^(@)C temperature ?

Find the temperature of junction at B, if each rod has equal area of cross-section.

When a sample of hard water is passed through the layer of sodium zeolite resulting which of the following ions will not be present in the resulting sample of water obtained?

Two rods are connected as shown. The rods are of same length and same cross sectional area. In steady state, the temperature (theta) of the interface will be -

The temperature drop through each layer of a two layer furnace wall is shown in Assume that the external temperature T_(10 and T_(3) are mainitained constant and T_(1)gtT_(3) If the thichness of the layers x_(1) and x_(2) are the same which of the following statements are correct .

A drop of water breaks into two droplets of equal size. In this process which of the following statements is correct? (1). The sum of temperature of the two droplets together is equal to the original temperature of the drop. (2).the sum of masses of the two droplets is equal to the original mass of the drop. (3). the sum of the radii of the two droplets is equal to the radius of the original drop. (4). the sum of the surface areas of the two droplets is equal to the surface area of the original drop.

The wall with a cavity consists of two layers of brick separated by a layer of air All three lay-ers have the same thickness and the thermal conductivity of the brick is much greater than that of air The left layer is at a higher temperature than the tight layer and steady state condition exists Which of the following graphs perdicts correctly the variation of temperature T with distance d inside the cavity ?.

A composite wall of area A is made of equal thickness of lead and iron having thermal conductivities K and 2K, respectively. The temperature on the two sides of the composite wall are 100^(@)C and 0^(@)C with the layer on the hotter side. Calculate the steady -state temperature of the lead-iron interface.

shows a cylindrical tube of cross-sectional area A fitted with two frictionless pistons. The pistons are connected to each other by a metallic wire. Initially, the temperature of the gas is T_(0) and its pressure is p_(0) which equals the atmospheric pressure, (a)What is the tention in the wire?(b)What will be the tention if the temperature is increased to 2T_(0)?

DC PANDEY-CURRENT ELECTRICITY-All Questions
  1. An ideal gas is allowed to expand in vacuum in rigid insulator contain...

    Text Solution

    |

  2. One mole of an ideal monoatomaic gas is taken from A to C along the pa...

    Text Solution

    |

  3. The temperature drop through a two layer furnace wall is 900^@C. Each ...

    Text Solution

    |

  4. n moles of a monoatomic gas undergoes a cyclic process ABCDA as shown....

    Text Solution

    |

  5. At ordinary temperatures, the molecules of an ideal gas have only tran...

    Text Solution

    |

  6. 1 kg of ice at 0^(@)C is mixed with 1.5 kg of water at 45^(@)C [latent...

    Text Solution

    |

  7. A vessel contains 1 mole of O(2) gas (molar mass 32) at a temperature ...

    Text Solution

    |

  8. In a thermodynamic process helium gas obeys the law TP^(-2//5) = const...

    Text Solution

    |

  9. The ednsity (rho) of an ideal gas varies with temperature T as shown i...

    Text Solution

    |

  10. A gas is found to obey the law P^(2)V= constant. The initial temperatu...

    Text Solution

    |

  11. n moles of an ideal gas undergo a process in which the temperature cha...

    Text Solution

    |

  12. One mole of an ideal monatomic gas (intial temperature T(0)) is made t...

    Text Solution

    |

  13. Two identical vessels contain helium and hydrogen gases at same temper...

    Text Solution

    |

  14. For an ideal gas :

    Text Solution

    |

  15. An ideal gas is taken from the state A (pressure p, volume V) to the s...

    Text Solution

    |

  16. From the following statements concerning ideal gas at any given temper...

    Text Solution

    |

  17. Which of the following quantities is the same for all ideal gases at t...

    Text Solution

    |

  18. During an experiment, an ideal gas is found to obey a condition (p^2)/...

    Text Solution

    |

  19. An ideal gas can be expanded form an initial state to a certain volume...

    Text Solution

    |

  20. In a cyclic process, a gas is taken from state A and B via path -I as ...

    Text Solution

    |