Question

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 ​

Answer 1

Answer:

opt 1

Explanation:

due to thermal expansion

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Answer 2

Answer: d

Explanation: