Home
Class 12
PHYSICS
A metal rod is shaped into a ring with a...

A metal rod is shaped into a ring with a small gap. If this is heated,
(i) the length of the rod will increase
(ii) the gap will decrease
(iii) the gap will increase
(iv) the diameter gof the ring will increase in the same ratio as the length of the rod

A

the length of the rad will increase

B

the gap will decrease

C

the gap will increase

D

the diameter of the ring will increase in the same ratio as the length of the rod

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

A long metal rod is bent to form a ring with a small gap if this is heated, will this gap increase or decrease?

A thin cylindrical metal rod is bent into a ring with a small gap as shown in figure. On heating the system

A thin cylindrical metal rod is bent into a ring with a small gap as shown in figure. On heating the system

The diameter of a metal ring is D and the coefficient of linear expansion is alpha . If the temperature of the ring is increased by 1^(0)C , the circumference and the area of the ring will increases by

If heat is supplied to s solid its temperature (i) must increase (ii) may increase (iii) may remain same (iv) may decrease

When a metal ring having some gap is heated (a) length of gap increases (b) radius of the ring decreases (c) the angle substanded by the gap at the centre remains same (d) length of gap decreases

A metal rod if fixed rigidly at two ends so as to prevent its hermalexpension. If L, alpha Y respectively denote the length of the rod , coefficeent of linear thermal expension and Young's modulus of its material, then for an increase in temperature of the rod by Delts T, the longitudinal stress developed in the rod is

The moment of inertia of a rod about its perpendicular bisector is I . When the temperature of the rod is increased by Delta T , the increase in the moment of inertia of the rod about the same axis is (Here , alpha is the coefficient of linear expansion of the rod )

A small aluminium rod AB is suspended horizontally from a stand by the ends of two connecting wires as shown in the Figure given here. A horseshoe magnet is placed in such a way that north pole of the magnet is vertically below and its south pole vertically above the aluminium rod. The aluminium rod is connected in series with a battery, a key and a rheostat. How do you think the displacement of rod AB will be affected if : (i) current in rod AB is increased ? (ii) a stronger horseshoe magnet is used ? (iii) length of the rod AB is increased ?

If the temperature of a rod is increased by 10^@C , its length increases by 1 %. What is the percentage change in volume of the body of the same material for 10^@C increase in temperature ?

D MUKHERJEE-HEAT AND THERMODYNAMICS-All Questions
  1. A body cools from 50^(@)C to 40^(@)C in 5 min. The surroundings temper...

    Text Solution

    |

  2. In the previous question will be its temperature 5 min after reaching ...

    Text Solution

    |

  3. A metal rod is shaped into a ring with a small gap. If this is heated,...

    Text Solution

    |

  4. The average translational energy and the rms speed of molecules in a s...

    Text Solution

    |

  5. Let barv,v(rms) and vp respectively denote the mean speed. Root mean s...

    Text Solution

    |

  6. Two identical containers A and B have frictionaless pistons. They cont...

    Text Solution

    |

  7. A gas undergoes a process in which its pressure P and volume V are rel...

    Text Solution

    |

  8. A gas with (c(p))/(c(V))=gamma goes from an intial state (p(1), V(1), ...

    Text Solution

    |

  9. A gas may expand either adiabatically or isothermally. A number of p-V...

    Text Solution

    |

  10. A gas expands such that its initial and final temperatures are equal. ...

    Text Solution

    |

  11. The following are the P-V diagrams for cyclic processes for a gas. In ...

    Text Solution

    |

  12. Two gases have the same initial pressure, volume and temperature. They...

    Text Solution

    |

  13. In the previous question, if the two gases are compressed to the same ...

    Text Solution

    |

  14. In the cyclic process shown in the V-P diagram the magnitude of the wo...

    Text Solution

    |

  15. In the previous question,

    Text Solution

    |

  16. A cyclic process is shown in the p-T diagram. Which of the curves show...

    Text Solution

    |

  17. A cyclic process is shown on the p-T diagram . Which of the curves sho...

    Text Solution

    |

  18. A cyclic process is shown in the P-T siagram. Whech of the curves show...

    Text Solution

    |

  19. The first law of thermodynamics incorporates are concept of (i) cons...

    Text Solution

    |

  20. Statement-I: it is possible for both the pressure and volume of a mono...

    Text Solution

    |