Home
Class 12
PHYSICS
The temperature across two different sla...


The temperature across two different slabs A and B are shown I the steady state (as shown Fig) The ratio of thermal conductivities of A and B is

A

`2:3`

B

`3:2`

C

`1:1`

D

`5:3`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • NTA NEET SET 94

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos
  • NTA NEET SET 96

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos

Similar Questions

Explore conceptually related problems

Two different rods A and B are kept as shown in figure . The variation of temperature of different cross sections with distance is plotted in a graph shown in figure . The ration of thermal conductivities of A and B is -

There are two coils A and B as shown in Fig.

Steady state temperature are shown in the diagram. Find ratio of thermal conductivity k_1/k_2 if length of all rods are same

A partition wall has two layers of different materials A and B in contact with each other. They have the same thickness but the thermal conductivity of layer A is twice that of layer B. At steady state the temperature difference across the layer B is 50 K, then the corresponding difference across the layer A is

Two rods of similar area of cross section and length are joined as shown in the figure. The ratio of their thermal conductivity is 2:3. The free ends are maintained at 100^(@)C and 0^(@)C respectivley. THE temperature at junction in steady state is

The temperature of the two outer surfaces of a composite slab, consisting of two materials having coefficients of thermal conductivity K and 2K and thickness x and 4x respectively. Temperatures on the opposite faces of composite slab are T_(1) and T_(2) where T_(2)gtT_(1) , as shown in fig. what is the rate of flow of heat through the slab in a steady state?

Three identical rods are joined at point O as shown in the figure. In the steady state, fid the ratio of thermal current through rod AO and OC. ltBrgt

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:

NTA MOCK TESTS-NTA NEET SET 95-PHYSICS
  1. A particle is projected vertically with speed V from the surface of th...

    Text Solution

    |

  2. Which graph correctley presents the variation of acceleration due to g...

    Text Solution

    |

  3. The temperature across two different slabs A and B are shown I the ste...

    Text Solution

    |

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

    Text Solution

    |

  5. The relation between internal energy U, pressure P and volume V of a g...

    Text Solution

    |

  6. A proton, a deuteron and an alpha-particle with the same KE enter a re...

    Text Solution

    |

  7. Electric charge q is uniformly distributed over a rod of length . The ...

    Text Solution

    |

  8. An object , moving with a speed of 6.25 m//s , is decelerated at a ra...

    Text Solution

    |

  9. A body is thrown up with a speed u, at an angle of projection theta I...

    Text Solution

    |

  10. A block of mass m is placed on a smooth wedge of inclination theta. T...

    Text Solution

    |

  11. A pendulum bob of mass 50 gm is suspended from the ceiling of an eleva...

    Text Solution

    |

  12. When (3)Li^(7) nuclei are bombarded by protons , and the resultant nuc...

    Text Solution

    |

  13. In a photoelectric experiment, if both the intensity and frequency of ...

    Text Solution

    |

  14. The function sin^(2)(omega t) represents:

    Text Solution

    |

  15. A particle executing a simple harmonic motion has a period of 6 s. The...

    Text Solution

    |

  16. A metal surface of work function 1.07 eV is irradiated with light of w...

    Text Solution

    |

  17. When radiation is incident on a photoelectron emitter , the stopping p...

    Text Solution

    |

  18. The length of a rubber cord is l(1) m when the tension is 4 N and l...

    Text Solution

    |

  19. A typical riverborne silt particle has a radius of 20(mu)m and a densi...

    Text Solution

    |

  20. A point source of light is kept at a distance of 15cm from a convergi...

    Text Solution

    |