Home
Class 12
PHYSICS
Three rods of equal of length are joined...

Three rods of equal of length are joined to from an equilateral triangle ABC. `D` is the midpoint of AB. The coefficient of linear expansion is `alpha_(1)` for AB and `alpha_(2)` for `AC` and `BC` . If the distance `DC` remains constant for small changes in temperature,

A

`prop_(1)= prop_(2)`

B

`prop_(1)= 2prop_(2)`

C

`prop_(1)= 4prop_(2)`

D

`prop_(1)= 1/2prop_(2)`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • EXPERIMENTAL PHYSICS

    D MUKHERJEE|Exercise chose the correct|4 Videos

  • IIT QUESTIONS 1

    D MUKHERJEE|Exercise Matrix-Matching Type|1 Videos

Similar Questions

Explore conceptually related problems

An equilateral triangle ABC is formed by joining three rods of equal length and D is the mid-point of AB . The coefficient of linear expansion for AB is alpha_(1) and for AC and BC is alpha_(2) . The relation between alpha_(1) and alpha_(2) , if distance DC remains constant for small changes in temperture is

Two rods , one of aluminium and the other made of steel, having initial length l_(1) and l_(2) are connected together to from a sinlge rod of length l_(1)+l_(2) . The coefficient of linear expansion for aluminium and steel are alpha_(a) and alpha_(s) for AC and BC . If the distance DC remains constant for small changes in temperature,

The coefficient of linear expansion varies linearly from alpha_(1) and alpha_(2) in a rod of length l . Find the increase in length when its temperature is increased by DeltaT .

If L_(1) and L_(2) are the lengths of two rods of coefficients of linear expansion alpha_(1) and alpha_(2) respectively the condition for the difference in lengths to be constant at all temperatures is

In an equilateral Delta ABC, D is the midpoint of AB and E is the midpoint of AC. Then, ar (Delta ABC) : ar (Delta ADE)=?

The variation of length of two metal rods A and B with change in temperature is shown in Fig. the coefficient of linear expansion alpha_A for the metal A and the temperature T will be

The coefficient of linear expansion of a rod is alpha and its length is L. The increase in temperature required to increase its legnth by 1% is

D MUKHERJEE-HEAT AND THERMODYNAMICS-All Questions
  1. A metal wire of length jl and area of cross - section A is fixed betwe...

    Text Solution

    |

  2. Two metal rods of the same length and area of cross-section are fixed ...

    Text Solution

    |

  3. Three rods of equal of length are joined to from an equilateral triang...

    Text Solution

    |

  4. when the temperature of a body increses from t to t +Deltat,its moment...

    Text Solution

    |

  5. A horizontal tube, open at both ends, contains a column of liquid. The...

    Text Solution

    |

  6. In a vertical U-tube containing a luquid, the two arms are maintained ...

    Text Solution

    |

  7. A solid whose volume does not change with temperature floats in a liqu...

    Text Solution

    |

  8. A solid with coefficient of linear expansion aplha just floats in a li...

    Text Solution

    |

  9. A gas at 300 K has pressure 4 xx 10^(-10) N//m^(2). IF k = 1.38 xx 10^...

    Text Solution

    |

  10. The root mean square (r.m.s) speed of oxygen molecules (O2) at a cer...

    Text Solution

    |

  11. The average translational kinetic energy of O(2) (molar mass 32) molec...

    Text Solution

    |

  12. A gas has volume V and pressure p. The total translational kinetic ene...

    Text Solution

    |

  13. A closed vessel is maintained at a constant temperture. It is first ev...

    Text Solution

    |

  14. when an air bubble rises from the bottom to the surface of a lake, its...

    Text Solution

    |

  15. Two containers of equal volume contain the same gas at pressure P(1) a...

    Text Solution

    |

  16. Two idential container joined by a small pipe initially contain the sa...

    Text Solution

    |

  17. In the previous question let V(0) be the volume of each container. All...

    Text Solution

    |

  18. A horizontal cylinder has two sections of unequal cross - sections, in...

    Text Solution

    |

  19. A gas expands from 1 litre to 3 litres at atmospheric pressure. The wo...

    Text Solution

    |

  20. During an adiabatic process, the pressure of a gas is found to be prop...

    Text Solution

    |