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JEE PHYSICS MCQ: THERMAL PROPERTIES OF MATTER

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Statement-I: A solid on heating undergoes expansion only because of increasing the amplitude of the simple oscillators.
Statement-II: A solid on heating undergoes expansion only because of increasing the inter atomic distance.
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Correct option: A
Statement-I is true and statement-II is true
Option A (Statement-I is true and statement-II is true) is correct because both increasing the amplitude of oscillations and increasing interatomic distances contribute to thermal expansion.

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