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 rod 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

The correct Answer is:
A, B, D
Promotional Banner

Topper's Solved these Questions

  • TEMPERATURE, ZEROTH LAW OF THERMODYNAMICS AND THERMAL EXPANSION

    RESNICK AND HALLIDAY|Exercise PRACTICE QUETIONS (Matrix- Match )|3 Videos

  • TEMPERATURE, ZEROTH LAW OF THERMODYNAMICS AND THERMAL EXPANSION

    RESNICK AND HALLIDAY|Exercise PRACTICE QUETIONS (Integer Type)|4 Videos

  • TEMPERATURE, ZEROTH LAW OF THERMODYNAMICS AND THERMAL EXPANSION

    RESNICK AND HALLIDAY|Exercise PRACTICE QUESTIONS (Single Correct Choice Type)|33 Videos

  • RIGID BODY DYNAMICS-II

    RESNICK AND HALLIDAY|Exercise PRACTICE QUESTIONS (Integer Type)|2 Videos

  • THE FIRST LAW OF THERMODYNAMICS

    RESNICK AND HALLIDAY|Exercise PRACTICE QUESTIONS ( INTEGER TYPE )|3 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 ?