Home
Class 11
PHYSICS
Two rods of same length and same diamete...

Two rods of same length and same diametel are drawn from equal masses and same quantity of heat is supplied to the two rods. Find the rationof expansions if specific heats of the material is `2//3` and that of coefficient of linear expansion is `1//2`

A

`4//3`

B

`1//2`

C

`3//4`

D

`1//3`

Text Solution

Verified by Experts

The correct Answer is:
C
`Q_(1) = Q_(2) , ms_(1) (Delta)_(1) = ms_(2) (Deltat)_(2)`
Promotional Banner

Topper's Solved these Questions

  • THERMAL PROPERTIES OF MATTER

    NARAYNA|Exercise LEVEL - III|23 Videos

  • THERMAL PROPERTIES OF MATTER

    NARAYNA|Exercise NCERT BASED QUESTIONS|25 Videos

  • THERMAL PROPERTIES OF MATTER

    NARAYNA|Exercise LEVEL - I (C.W.)|24 Videos

  • SYSTEM OF PARTICLES AND ROTATIONAL MOTION

    NARAYNA|Exercise EXERCISE - IV|39 Videos

  • THERMODYNAMICS

    NARAYNA|Exercise Exercise|187 Videos

Similar Questions

Explore conceptually related problems

A metal tube and a rod of same length same material and same outer diameter are given same amount of heat. Which will show less expansion and why ?

Two rods of same length and material transfer given amount of heat in 12 s, when they are joined end to end. When they are joined parallelly then they will transfer same amount of heat in same conditions in

Two rods of the same length and material transfer a given amount of heat in 12 seconds when they are joined end to end. But when they are joined lengthwise, they will transfer the same amount of heat, in the same conduction, in :

Two ends of rods of length L and radius R of the same material of kept at the same temperature. Which of the following rods conducts the maximum heat?

At 50^(@)C , a brass rod has a length 50 cm and a diameter 2 mm . It is joined to a steel rod of the same length and diameter at the same temperature . The change in the length of the composite rod when it is heated to 250^(@)C is (Coefficient of linear expansion of brass = 2.0 xx 10^(-5)"^(@) C^(-1) , coefficient of linear expansion of steel = 1.2 xx 10^(-5) "^(@) C^(-1) )

Two rods of different materials are placed between massive walls as shown in figure. The cross section of the rods is A, their moduil of elastricity are E_(1) and E_(2) respectively. If rods are heated by t degrees, then (coefficients of liner expansion of material of rods are alpha_(1) and alpha_(2) respectively)

When a metal rod is heated through 30^(@)C the thermal strain in the rod is 3.6 xx 10^(-4) .what is the coefficient of linear expansion of the metal ?

Coefficient of apparent expansion of same liquid when heated in copper vessel is 'C' and when heated in gold vessel is 'G'. If 'A' is coefficient of linear expansion of copper, coefficient of linear expansion of gold is

Two rods of the same length and areas of cross-section A_1 and A_2 have their ends at the same temperature. K_1 and K_2 are the thermal conductivities of the two rods. The rate of flow of heat is same in both the rods if-

NARAYNA-THERMAL PROPERTIES OF MATTER-LEVEL - II (C.W.)
  1. The resistance of a certain paltinum resistance thermomter is found to...

    Text Solution

    |

  2. A constant volume gas thermometer shows pressure readings of 50 cm and...

    Text Solution

    |

  3. On a hypothetical scale A the ice point is 42^(@) and the steam points...

    Text Solution

    |

  4. The upper and lower fixed points of a faulty mercury thermometer are 2...

    Text Solution

    |

  5. A Fahrenheit thermometer registers 100^(@)F while a faulty Celsius the...

    Text Solution

    |

  6. When a rod is heated from 25^(@)C to 75^(@)C, it expands by 1 mm. When...

    Text Solution

    |

  7. An iron metal rod is to maintain an accuracy of one part per million. ...

    Text Solution

    |

  8. Two metal rods have coefficients of linear exapansion 1.1 xx 10^(-5 //...

    Text Solution

    |

  9. Two rods of same length and same diametel are drawn from equal masses ...

    Text Solution

    |

  10. Two rods of different materials having coefficient of thermal expansio...

    Text Solution

    |

  11. Two uniform metal rods one of aluminium of length l(1) and another mad...

    Text Solution

    |

  12. When the temperature of a rod increases from t to r+Delta t, its momen...

    Text Solution

    |

  13. There is some change in length when a 33000 N tensile force is applied...

    Text Solution

    |

  14. Brass scale of a Barometer gives correct reading at 0^(@)C. Coefficien...

    Text Solution

    |

  15. A thin brass sheet at 10^(@)C and a thin steel sheet at 20^(@)C have t...

    Text Solution

    |

  16. A pendulum clock gives correct time at 20^(@)C at a place where g= 10m...

    Text Solution

    |

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

    Text Solution

    |

  18. A clock pendulum made of invar has a period of 0.5sec at 20^(@)C. If t...

    Text Solution

    |

  19. A steel scale is correct at 0^(@)C. The length of a brass tube measure...

    Text Solution

    |

  20. The ratio of lengths of two rods is 1 : 2 and the ratio of coefficient...

    Text Solution

    |