JEE PHYSICS MCQ: THERMAL PROPERTIES OF MATTER

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Assertion (A): Steel rods are used in R.C.C
Reason (R): Both steel and R.C.C have almost same values of coefficient of linear expansion.

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Correct option: A

If both (A) and (R) are true and (R) is the correct explanation of (A).

Option A (If both (A) and (R) are true and (R) is the correct explanation of (A)) is correct because the similar coefficients of linear expansion prevent stress within the concrete structure.

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