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Home  >>  JEEMAIN and AIPMT  >>  Physics  >>  Class11  >>  Thermodynamics
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Heat is supplied to a gas at constant pressure , the ratio $\; \bigtriangleup Q : \bigtriangleup u : \bigtriangleup W\;$ depends on

$(a)\;degrees\;of\;freedom\;of\;gas\qquad(b)\;temperature\;change\;value\qquad(c)\;no .\; of \;moles\;of\;gas\qquad(d)\; All\;of\;these$

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Answer : degrees of freedom of gas
Explanation :
$\bigtriangleup Q = n C_{p} \bigtriangleup T$
$\bigtriangleup u = n C_{v} \bigtriangleup T$
$\bigtriangleup W = n C_{p} \bigtriangleup T$
$\bigtriangleup Q : \bigtriangleup u : \bigtriangleup W$
$= C_{p} : C_{v} : C_{p} - C_{v}$
$=\large\frac{(f+1)}{2} R : \large\frac{fR}{2} : R$
$(f+1) : f : 2$
answered Mar 13, 2014 by yamini.v

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