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11.Thermodynamics
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સમોષ્મી વિસ્તરણ માટે નીચેનામાથી શું સાચું છે?
A
$ \Delta U = 0 $
B
$ \Delta U = -Ve $
C
$ \Delta U = + Ve$
D
$ \Delta W = $ zero
Solution
(b) In case of adiabatic expansion $\Delta W$= positive and $\Delta Q = 0$
from FLOT $\Delta Q = \Delta U + \Delta W$
==> $\Delta U = – \Delta W$ i.e., $\Delta U$will be negative.
Standard 11
Physics
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