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When a Hot Liquid is Mixed with a Cold Liquid, the Temperature of the Mixture - Physics

MCQ
Fill in the Blanks

When a hot liquid is mixed with a cold liquid, the temperature of the mixture ____________ .

Options

  • first decreases then becomes constant

  • first increases then becomes constant

  • continuously increases

  • is undefined for some time and then becomes nearly constant

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Solution

is undefined for some time and then becomes nearly constant

 

When hot liquid is mixed with cold liquid, the molecules collide and transfer heat. When heat is transferred, the temperature is undefined. Once the heat energy is shared by the molecules, the system reaches equilibrium and the temperature becomes nearly constant.

Concept: Temperature and Heat
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APPEARS IN

HC Verma Class 11, Class 12 Concepts of Physics Vol. 2
Chapter 3 Calorimetry
MCQ | Q 3 | Page 46
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