- Home
- Standard 11
- Physics
11.Thermodynamics
medium
An ideal gas is expanded adiabatically at an initial temperature of $300 K$ so that its volume is doubled. The final temperature of the hydrogen gas is $(\gamma = 1.40)$
A
$227.36 K$
B
$500.30 K$
C
$454.76 K$
D
$ - {47^o}C$
Solution
(a) $T{V^{\gamma – 1}} = $constant
==> $\frac{{{T_2}}}{{{T_1}}} = {\left( {\frac{{{V_1}}}{{{V_2}}}} \right)^\gamma }$
==> ${T_2} = {T_1}{\left( {\frac{{{V_1}}}{{{V_2}}}} \right)^\gamma }$
$ \Rightarrow {T_2} = 300{\left( {\frac{1}{2}} \right)^{0.4}} = 227.36\;K$
Standard 11
Physics
Similar Questions
medium