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  • An iron ring is heated. Which of the following statement about it is incorrect? (a) The ring expands. (b) The same size on cooling. (c) The change in this case is reversed. ring almost comes to the

An iron ring is heated. Which of the following statement about it is incorrect?

(a)     The ring expands.

(b)     The ring almost comes to the same size on cooling.

(c)     The change in this case is reversed.

(d)     The ring changes its shape and the change cannot be reversed.

Answers (1)

best_answer

The change is reversible in case of an iron ring. Since the ring expands on heating and comes back to its original size on cooling.

Option ''The ring changes its shape and the change cannot be reversed'' is incorrect. 

Hence option (D) is correct.

Posted by

Sumit Saini

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