Home
Class 11
PHYSICS
Two bars of copper having same length bu...

Two bars of copper having same length but unequal cross sections are heated to the same temperature. The change in length will be

A

A equal in both bars

B

B more in thicker bar

C

C more in thinner bar

D

D Can't be predicted from the given data

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • OSCILLATION AND WAVES

    PATHFINDER|Exercise QUESTION BANK|300 Videos

  • ROTATIONAL MECHANICS

    PATHFINDER|Exercise QUESTION BANK|141 Videos

Similar Questions

Explore conceptually related problems

Two small spherical balls of the same mass, made of copper and of lead are heated up to the same temperature and are placed on a thick wax slab. What will happen and what can we conclude from it?

Two wires A and B have the same cross section and are made of the same material but the length of wire A is twice that of B. Then for a given load

The diameter of an iron sphere and the length of the side of an iron cube are equal. Initially they are at the same temperature. If they take the same amount of heat, whose final temperature will be higher?

A solid and a hollow cylinder of the same size and made of the same material are heated for the same change of temperature. Will the expansions be the same? Explain your answer.

Two wires A and B of the same metal have the same across sectional area and have their lengths in the ratio 2:1 What will be the ratio of currents flowing through them respectively, when the same potential difference is applied across each of them?

Do same amount of iron and copper at the same temperature hold same amount of heat ? Explain

PATHFINDER-PROPERTIES OF BULK MATTER-QUESTION BANK
  1. What is the change in the temperature on Kelvin Scale, if a iron piece...

    Text Solution

    |

  2. A bimetallic strip is made of two strips A and B having coefficients o...

    Text Solution

    |

  3. Two bars of copper having same length but unequal cross sections are h...

    Text Solution

    |

  4. Two rods of lengths L1 and L2 are made of materials having coefficient...

    Text Solution

    |

  5. The volume coefficient of expansion of a metal whose linear coefficien...

    Text Solution

    |

  6. If same amount of heat is supplied to two identical spheres (one is ho...

    Text Solution

    |

  7. A steel scale gives correct reading at t1"^@C. When temperature change...

    Text Solution

    |

  8. If a solid sphere is heated up, percentage increase of which of the fo...

    Text Solution

    |

  9. If same amount of heat is supplied to two identical spheres (one is ho...

    Text Solution

    |

  10. Coefficient of area expansion depends on

    Text Solution

    |

  11. External and internal radii of a hollow sphere are R and r respectivel...

    Text Solution

    |

  12. A glass vessel of volume v Is to be partially filled with a liquid of ...

    Text Solution

    |

  13. The apparent coefficient of expansion of a liquid when heated in a cop...

    Text Solution

    |

  14. A beaker is completely filled with water at 4^@C. It will overflow

    Text Solution

    |

  15. Coefficient of cubical expansion of water is minimum at

    Text Solution

    |

  16. Water does not freeze at the bottom of the lakes at winter in the cold...

    Text Solution

    |

  17. The coefficient of real expansion of liquid becomes

    Text Solution

    |

  18. On heating a liquid of coefficient of volume expansion a in a containe...

    Text Solution

    |

  19. To calculate the volume coefficient of a gas the volume at which of th...

    Text Solution

    |

  20. Volume coefficient and pressure coefficient of gases are equal for

    Text Solution

    |