Home
Class 11
PHYSICS
A rod of length 2m rests on smooth horiz...

A rod of length 2m rests on smooth horizontal floor. If the rod is heated from `0^(@)C` to `20^(@)C`. Find the longitudinal strain developed ? `(alpha=5xx10^(-5)//.^(@)C)`

A

`10^(-3)`

B

`2xx10^(-3)`

C

zero

D

`10^(-4)`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • COMMUNICATION SYSTEM

    DC PANDEY ENGLISH|Exercise Only One Option is Correct|27 Videos
  • ELASTICITY

    DC PANDEY ENGLISH|Exercise Medical entrances s gallery|21 Videos

Similar Questions

Explore conceptually related problems

A steel rod of length 1 m rests on a smooth horizontal base. If it is heated from 0^@C to 100^@C , what is the longitudinal strain developed?

A steel rod of length 1 m rests on a smooth horizontal base. If it is heats from 0^@C to 100^@C , what is the longitudional strain developed?

A copper rod of length l_(0) at 0^(@) C is placed on smooth surface. Now, the rod is heated upto 100^(@) C. Find the longitudinal strain developed. ( alpha =coefficient of linear expansion)

A steel rod is clamped at its two ends and rests on a fixes horizontal base. The rod is unstrained at 20^@C . Find the longitudinal strain developed in the rod if the temperature rises to 50^@C . Coefficient of linear expansion of steel =1.2 xx 10^(-5 @)C^(-1) .

A steel rod is clamped at its two ends and rests on a fixes horizontal base. The rod is unstrained at 20^@C . Find the longitudinal strain developed in the rod if the temperature rises to 50^@C . Coefficient of linear expansion of steel =1.2 xx 10^(-5 @)C^(-1) .

A steel rod is clamped at its two ends and rests on a fixed horizontal base. The rod is unstrained at 20^@C . Find the longitudinal strain developed in the rod if the temperature rises to 50^@C . Coefficient of linear expansion of steel =1.2 xx 10^(-5)C^(-1) .

The temperature of a wire of length 1 metre and area of cross-section 1 cm^(2) is increased from 0^(@)C to 100^(@)C . If the rod is not allowed to increased in length, the force required will be (alpha=10^(-5)//.^(@)C and Y =10^(11) N//m^(2))

An aluminium rod of length 50cm is heated so that its temperature increases from 20^(@)C" to "80^(@)C . If the linear coefficient of expansion of aluminium is 24 xx 10^(-6)//""^(@)C find the increase in the length of the aluminium rod.

A uniform metal rod of 2mm^(2) area of cross section is heated from 0^(@)C to 20^(@)C . The coefficient of linear expansion of the rod is 12xx10^(-6)//""^(@)C . Its Young's modulus of elasticity is 10^(11)N//m^(2) , then the energy stored per unit volume of rod is,

One fourth length of a uniform rod of length 2l and mass m is place don a horizontal table and the rod is held horizontal. The rod is released from rest. Find the normal reaction on the rod as soon as the rod is released.

DC PANDEY ENGLISH-CURRENT ELECTRICITY-All Questions
  1. A wall is made of equally thick layers A and B of different matierals...

    Text Solution

    |

  2. A wall consists of alternating blocks withlength 'd' and coefficient o...

    Text Solution

    |

  3. A rod of length 2m rests on smooth horizontal floor. If the rod is hea...

    Text Solution

    |

  4. Steam at 100^(@)C is added slowly to 1400 gm of water at 16^(@)C until...

    Text Solution

    |

  5. A block of ice with mass m falls into a lake. After impact, a mass of ...

    Text Solution

    |

  6. The specific heat of a metal at low temperatures varies according to S...

    Text Solution

    |

  7. Steam at 100^(@)C is passed into 1.1 kg of water contained in a calori...

    Text Solution

    |

  8. Two sheets of thickness d and 2d and same area are touching each other...

    Text Solution

    |

  9. A composite rod made of three rods of equal length and cross-section a...

    Text Solution

    |

  10. A black metal foil is warmed by radiation from a small sphere at tempe...

    Text Solution

    |

  11. Two perfect monoatomic gases at absolute temperature T(1) and T(2) are...

    Text Solution

    |

  12. For a monoatomic ideal gas undergoing an adiabatic change, the relatio...

    Text Solution

    |

  13. A black body calorimeter filled with hot water cools from 60^(@)C to 5...

    Text Solution

    |

  14. In the process PV = constant, pressure (P) versus density (rho) graph ...

    Text Solution

    |

  15. Pressure versus temperature graphs of an ideal gas are as shown in fig...

    Text Solution

    |

  16. Change in internal energy of an ideal gas is given by DeltaU=nC(V)Delt...

    Text Solution

    |

  17. A gas is expanded to double its volume by two different processes. One...

    Text Solution

    |

  18. The quantity (pV)/(kt) represents

    Text Solution

    |

  19. The freezing point on a thermometer is marked as -20^(@) and the boili...

    Text Solution

    |

  20. If two rods of length L and 2L having coefficients of linear expansion...

    Text Solution

    |