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JEE PHYSICS MCQ: THERMAL PROPERTIES OF MATTER
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Medium
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Analyzing
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Assertion: A fluid in vacuum expands such that it changes to gaseous state. Its temperature decreases.
Reason: It uses its internal energy as heat of vaporization.
Reason: It uses its internal energy as heat of vaporization.
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Correct option: A
If both Assertion & Reason are True & the Reason is a correct explanation of the Assertion
Option A is correct because the fluid expands into a gaseous state in a vacuum, using its internal energy for vaporization, which results in a temperature decrease.
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