Question

An iron ring is heated. Which of the following statement about it is incorrect?
i. The ring expands
iiThe ring almost comes to the same size on cooling
iii. The change in this case is reversed
iv. The ring changes its shape and the change cannot be reversed​

Answer 1

Answer:

Option 1

Explanation:

Due to thermal expansion

Answer 2

Answer:

Correct answer Is option 1

◆The ring Expands◆

When iron ring is heated it will expand due to process of Thermal Expansion