Home
Class 11
PHYSICS
In the following figure, two insulating ...

In the following figure, two insulating sheets with thermal resistances R and 3 R as shown in figure. The temperature `theta` is

A

`20^(@)C`

B

`60^(@)C`

C

`75^(@)C`

D

`80^(@)C`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • TRANSMISSION OF HEAT

    ERRORLESS |Exercise Assertion & Reason|24 Videos

  • THERMOMETRY, THERMAL EXPANSION AND CALORIMETRY

    ERRORLESS |Exercise Self Evaluation Test|15 Videos

  • UNITS, DIMENSION & MEASUREMENTS

    ERRORLESS |Exercise All Questions|333 Videos

Similar Questions

Explore conceptually related problems

Consider the two insulating sheets with thermal resistance R_(1) and R_(2) as shown in figure. The temperature theta is

A cell of emf E having an internal resistance R varies with R as shown in figure by the curve

Value of the resistance R in the figure is

In the circuit shown in figure, the value of R is

Three equal resistances each of value R are joined as shown in the figure. The equivalent resistance between M and N is

Inside a supeerconducting ring, six identical resistors each of resistance R are connected as shown in figure. The equivalent resistances.

A frame is formed by nine identical wires of resistances R each as shown in the figure. The equivalent resistance between A and B is

A voltmeter of resistance R_V and an ammeter of resistance R_A are connected in a circuit to measure a resistance R as shown in figure. The ratio of the meter readings gives an apparent resistance R^' . Show that R and R^' are related by the relation 1/R=1/R^'-1/R_V

Find r, r', e delta for the case shown in figure

Each resistance of the network shown in figure is r . Net resistance between

ERRORLESS -TRANSMISSION OF HEAT-ET Self Evaluation Test
  1. Four rods of silver, copper, brass and wood are of same shape. They ar...

    Text Solution

    |

  2. The two opposite faces of a cubical piece of iron (thermal conductivit...

    Text Solution

    |

  3. Wein's constant is 2892xx10^(-6) MKS unit and the value of lambda(m) f...

    Text Solution

    |

  4. If at temperature T(1) = 1000 K the wavelength is 1.4 xx 10^(-6)m then...

    Text Solution

    |

  5. The wavelength of maximum intensity of radiation emitted by a star is ...

    Text Solution

    |

  6. Two friends A and B are waiting for another friend for tea. A took the...

    Text Solution

    |

  7. There are two spherical balls A and B of the same material with same s...

    Text Solution

    |

  8. Five identical rods are joined as shown in figure. Point A and C are ...

    Text Solution

    |

  9. We cannot boil water inside the earth's satellite. Explain.

    Text Solution

    |

  10. In the following figure, two insulating sheets with thermal resistance...

    Text Solution

    |

  11. The top of an insulated cylindrical container is covered by a disc hav...

    Text Solution

    |

  12. Figure. Shows two air filled bulbs connected by a U-tube partly filled...

    Text Solution

    |

  13. Two conducting rods A and B of same length and cross-sectional area ar...

    Text Solution

    |

  14. The area of the glass of a window of a room is 10 m^(2) and thickness ...

    Text Solution

    |

  15. The spectrum from a black body radiation is a

    Text Solution

    |

  16. The Wien’s displacement law express relation between

    Text Solution

    |

  17. A black body is heated from 27^(@)C to 127^(@)C. The ratio of their en...

    Text Solution

    |

  18. A body takes T minutes to cool from 62^@C to 61^@C when the surroundin...

    Text Solution

    |

  19. A partition wall has two layers of different materials A and B in cont...

    Text Solution

    |

  20. Water and turpentine oil (of specific heat less than that of water) ar...

    Text Solution

    |