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Heat and Thermodynamics — Physics STD 11 — Question

Tamilnadu BoardEnglish MediumSTD 11PhysicsHeat and Thermodynamics1 Mark
MCQ
Heat capacity of a substance is infinite. It means …….
  • A
    infinite heat is given out
  • B
    infinite heat is taken in
  • ✓
    no change in temperature whether heat is taken in or given out
  • D
    all of these
✓

Answer

Correct option: C.
no change in temperature whether heat is taken in or given out
no change in temperature whether heat is taken in or given out
Solution :
Heat $\quad H =m c \Delta \theta ; c=\frac{ H }{m \Delta \theta}$
If $\Delta \theta=0$ then $c =\infty$

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