There is a hole in a metal disc. What happens to the size of the hole if the metal disc is heated?

There is a hole in a metal disc. What happens to the size of the hole

1.	There is a hole in a metal disc. What happens to the size of the hole if the metal disc is heated?
Answer» Solution :When metal PLATE with a circular hole is HEATED, the distance between the MOLECULES on the peripheryof the hole should increases due to expansion. Hence the DIAMETER of the hole increases.