PHYSICS [1 Mark Question Answer]

Given below statement is incorrect. Write the correct statement :
The metallic wires contract during summer and can break.

Given below statement is incorrect. Write the correct statement :
The girders supporting the bridge are fixed in the walls of the pillars.

Given below statement is incorrect. Write the correct statement :
To avoid derailment of train, the rails are fixed tightly, leaving no space for expansion or contraction.

Given below statement is incorrect. Write the correct statement :
On heating, the bimetallic strip (brass and iron) bends in such a way that the brass is on the inner side while iron is on outer side of the bend.

Given below statement is incorrect. Write the correct statement :
The increase in area of a solid when heated, is called cubical expansion.