Question

thin rod and thick rod same length made up of same material are 1. given same amount of heat then which expands more in length. 2.raised by same temperature then which expands more in length. explain.​

Answer 1

Since linear expansion does not depend on the cross-section area. hence, both the rod will expand by the same length.

Therefore statement 1 is true and a statement 2 is also a correct explanation.