Department of Pre-University Education, KarnatakaPUC Karnataka Science Class 11
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A Closed Bottle Contains Some Liquid. the Bottle is Shaken Vigorously for 5 Minutes. It is Found that the Temperature of the Liquid is Increased. is Heat Transferred to the Liquid? - Physics

Short Note

A closed bottle contains some liquid. the bottle is shaken vigorously for 5 minutes. It is found that the temperature of the liquid is increased. Is heat transferred to the liquid? Is work done on the liquid? Neglect expansion on heating.

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Solution

A closed bottle containing some liquid is shaken vigorously such that work is done on the bottle (against the viscous force). Hence, the temperature of the liquid increases. However, no external heat is supplied to the system.

Concept: Heat, Internal Energy and Work
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APPEARS IN

HC Verma Class 11, Class 12 Concepts of Physics Vol. 2
Chapter 4 Laws of Thermodynamics
Short Answers | Q 7 | Page 60
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