Consider the following two statements: Statement I: When a metallic rod lying freely on a smooth surface is heated, no thermal stress is developed in it. Statement II: On heating, the length of the rod increases. Which one of the following is correct?

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Physics · Thermal Properties of Matter

Consider the following two statements: Statement I: When a metallic rod lying freely on a smooth surface is heated, no thermal stress is developed in it. Statement II: On heating, the length of the rod increases. Which one of the following is correct?

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Correct answer

Both Statement I and Statement II are true, but Statement II is NOT the correct explanation of Statement I.

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Answer 1

Both Statement I and Statement II are true, but Statement II is NOT the correct explanation of Statement I.

Answer 2

Both Statement I and Statement II are true, and Statement II is the correct explanation of Statement I.

Answer 3

Statement I is true but Statement II is false.

Answer 4

Statement I is false but Statement II is true.

Consider the following two statements: Statement I: When a metallic rod lying freely on a smooth surface is heated, no thermal stress is developed in it. Statement II: On heating, the length of the rod increases. Which one of the following is correct?

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Consider the following two statements: Statement I: When a metallic rod lying freely on a smooth surface is heated, no thermal stress is developed in it. Statement II: On heating, the length of the rod increases. Which one of the following is correct?

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