Question

4.
3. Brass expands one and half times more than
expansion is the increase in the area of a solid when heat is supplied to it.
5. If two rods of different lengths of a same metal are taken, then the
longewoon
heating​

Answer 1

Explanation:

It is observed that on heating the strip bends with brass on the outer side of bent ... This shows that brass expands more than iron. ... Advanced Knowledge of Thermal Expansion of Solids

ANSWER

We know the expansion in length ΔL=LαΔT

So the expansion will be more for the rod having longer length for same rise in temperature.

If same quantity of heat supplied then the rise in temperature will be same in both the rod because mass and specific heat capacity is same for both the rod.

So the rod with longer length will expand more.