1
WB JEE 2018
MCQ (More than One Correct Answer)
+2
-0
Change Language
Which of the following statement(s) is/are true?

"Internal energy of an ideal gas .............."
A
decreases in an isothermal process.
B
remains constant in an isothermal process.
C
increases in an isobaric process.
D
decreases in an isobaric expansion.
2
WB JEE 2017
MCQ (More than One Correct Answer)
+2
-0
Change Language
If the pressure, temperature and density of an ideal gas are denoted by p, T and $$\rho $$, respectively, the velocity of sound in the gas is
A
proportional to $$\sqrt \rho $$, when T is constant
B
proportional to $$\sqrt T $$
C
proportional to $$\sqrt p $$, when $$\rho $$ is constant
D
proportional to T.
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