Home
Class 11
PHYSICS
Two slabs A and B of different materials...

Two slabs A and B of different materials but of the same thicknesss are joined end to end to form a composite slab. The thermal conductivities of A and B are `K_(1)` and `K_(2)` respectively. A steady temperature difference of `12^(@)`C is maintained across the composite slab. If `K_(1) = K_(2)/2`, the temperature difference across slabs A is

A

`4 ""^(@)C`

B

`6 ""^(@)C`

C

`8 ""^(@)C`

D

`10 ""^(@)C`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • PROPERTIES OF BULK MATTER

    MTG GUIDE|Exercise AIPMT/NEET (MCQs)|40 Videos

  • PROPERTIES OF BULK MATTER

    MTG GUIDE|Exercise NEET Cafe (Topicwise Practice Questions)|200 Videos

  • PHYSICAL WORLD AND MEASUREMENT

    MTG GUIDE|Exercise AIPMT / NEET MCQ|14 Videos

  • THERMODYNAMICS

    MTG GUIDE|Exercise AIPMT/NEET (MCQs)|26 Videos

Similar Questions

Explore conceptually related problems

A composite slab consists of two slabs A and B of different materials but of the same thickness placed one on top of the other. The thermal conductivities of A and B are k_(1) and K_(2) respectively. A steady temperature difference of 12^(@)C is maintained across the composite slab. If k_(1) = K_(2)//2 , the temperature difference across slab A will be:

A slab consists of two layers of different materials of the same thickness and having thermal conductivities K_(1) and K_(2) . The equivalent thermal conductivity of the slab is

Two rods A and B of different materials are welded together as shown in figure. Their thermal conductivities are K_(1) and K_(2) . The thermal conductivity of the composite rod will be

Two rods A and B of different materials are welded together as shown in figure. Their thermal conductivities are K_(1) and K_(2) . The thermal conductivity of the composite rod will be

A wall has two layers A and B each made of different materials. The thickness of both the layers is the same. The thermal conductivity of A, K_(A) = 3K_(B) . The temperature different across the wall is 20^(@)C in thermal equilibrium

Two rods of same length and cross section are joined along the length. Thermal conductivities of first and second rod are K_(1) and K_(2) . The temperature of the free ends of the first and seconds rods are maintained at theta_(1) and theta_(2) respectively. The temperature of the common junction is

Two metal rods 1 and 2 of same lengths have same temperature difference between their ends. Their thermal conductivities are K_(1) and K_(2) and cross sectional areas A_(1) and A_(2) respectively. If the rate of heat conduction in 1 is four times that in 2, then

A slab consists of two parallel layers of two different materials of same thickness having thermal conductivities K_(1) and K_(2) . The equivalent conductivity of the combination is

MTG GUIDE-PROPERTIES OF BULK MATTER-Check Your Neet Vitals
  1. Two glass plates are separated by water. If surface tension of water i...

    Text Solution

    |

  2. Calculate the rate of flow of glycerine of density 1.25xx10^(3) kg m^(...

    Text Solution

    |

  3. Water rises in a capillary tube a height h. Choose false statement reg...

    Text Solution

    |

  4. A frame made of metallic wire enclosing a surface area A is covered wi...

    Text Solution

    |

  5. A water drop is divided into 8 equal droplets. The pressure difference...

    Text Solution

    |

  6. The terminal speed of a sphere of gold (density = 19.5 kg m^(-3)) is 0...

    Text Solution

    |

  7. A cylindrical tank has a hole of 1cm^(2) in its bottom. If the water i...

    Text Solution

    |

  8. A uniform plant of Young's modulus Y is moved over a smooth horizontal...

    Text Solution

    |

  9. On a temperature scale Y, water freezes at -160 ""^(@)Y and boils at -...

    Text Solution

    |

  10. Two rods of lengths L(1) and L(2) are welded together to make a compos...

    Text Solution

    |

  11. Temperature of 100 g of water in a thermoflask remains fixed for a pre...

    Text Solution

    |

  12. Two slabs A and B of different materials but of the same thicknesss ar...

    Text Solution

    |

  13. An ideal gas is expanding such that PT^(2)= constant. The coefficient ...

    Text Solution

    |

  14. 7500 cal of heat is supplied to 100g of ice 0 ""^(@)C. If the latent h...

    Text Solution

    |

  15. When a liquid is heated in a glass vessel, its coefficient of apparent...

    Text Solution

    |

  16. A lead bullet of unknown mass is fired with a speed of 180 ms^(-1) int...

    Text Solution

    |

  17. The fraction of the volume of a glass flask must be filled with mercur...

    Text Solution

    |

  18. A block of aluminium of mass 1 kg and volume 3.6 xx 10^(-4) m^3 is sus...

    Text Solution

    |

  19. A vertical capillary is brought in contact with the water surface (sur...

    Text Solution

    |

  20. A man grows into a giant such that his linear dimension increase by a ...

    Text Solution

    |