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JEE PHYSICS MCQ: THERMAL PROPERTIES OF MATTER

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Statement-I: A thin rod and a thick rod made of same material having same length are heated through same range of temperature. Then both the rods expand equally.
Statement-II: The linear expansion e=lαΔte=l \alpha \Delta t
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Correct option: A
Statement-I is true and statement-II is true
Option A is correct because the linear expansion depends on the initial length, the material (α\alpha), and the temperature change (Δt\Delta t), and since all are the same, the expansion is the same.

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