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10-1.Thermometry, Thermal Expansion and Calorimetry
easy
ઉકળતા પાણીનું વરાળમાં રૂપાંતર થાય છે. આ સ્થિતિએ પાણીની વિશિષ્ટ ઉષ્મા શું થશે?
A
$< 1$
B
$\infty $
C
$1$
D
$0$
Solution
HINT: In an isothermic process the temperature remains constant
$\text { ( } T=\text { const) } \text {. }$
Step1: Finding the specific heat.
For an isothermal process,
$\Delta T =0$
heat flow is defined as,
$Q = ms \Delta T$
$s =\frac{ Q }{ m \Delta T }$
$s =\frac{ Q }{ m \times 0}$
$s =\infty$
Therefore the value is infinite.
Standard 11
Physics
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