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 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 blength of the rod

Two large holes are cut in a metal sheet. If this is heated, will their diameters 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 ratio stress/strain remains constant for small deformation of a metal wire. When the deformation is made larger, will this ratio increase or 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 metallic rod is bent in the form of ractangle as shown in the given figure and heated .Then the gap between the ends P and Q ______

A small ring having small gap is shown in figure on heating what will happen to size of gap.

Why a small gap is left between the iron rails of railway tracks ?