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JEE PHYSICS MCQ: THERMODYNAMICS
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Medium
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Understanding
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(A): When a bottle of cold carbonated drink is opened, a slight fog forms around the opening.
(R): Adiabatic expansion of the gas causes lowering of temperature and condensation of water vapours.
(R): Adiabatic expansion of the gas causes lowering of temperature and condensation of water vapours.
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Correct option: A
Both (A) and (R) are true and (R) is the correct explanation of (A)
Option A (Both (A) and (R) are true and (R) is the correct explanation of (A)) is correct because the fog formation is due to the adiabatic expansion of the gas, which causes cooling and condensation.
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