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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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