Subject :NSO Class : Class 6
An iron ring is heated. Which of the following statements is/are correct?
I. The ring expands.
II. The ring almost comes to the same size on cooling.
III. The change occurring in this case is reversible.
IV. The ring changes its shape and the change cannot
be reversed.
AI only
BI, II and III only
CIV only
DII and III only