Question

3. The length of an iron rod increases from 10 m to 11 m, when kept over a burner flame. This
increase in length is due to
a. cubical expansion.
b. linear expansion.
d. solidification.
c. superficial expansion.
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Answer 1

Answer:

siperial expention

Explanation:

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Answer 2

Answer:

Superficial expansion is the write answer.

Explanation:

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