1
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
A gaseous mixture consists of $$16$$ $$g$$ of helium and $$16$$ $$g$$ of oxygen. The ratio $${{Cp} \over {{C_v}}}$$ of the mixture is
A
$$1.62$$
B
$$1.59$$
C
$$1.54$$
D
$$1.4$$
2
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
A system goes from $$A$$ to $$B$$ via two processes $$I$$ and $$II$$ as shown in figure. If $$\Delta {U_1}$$ and $$\Delta {U_2}$$ are the changes in internal energies in the processes $$I$$ and $$II$$ respectively, then AIEEE 2005 Physics - Heat and Thermodynamics Question 353 English
A
relation between $$\Delta {U_1}$$ and $$\Delta {U_2}$$ can not be determined
B
$$\Delta {U_1} = \Delta {U_2}$$
C
$$\Delta {U_2} < \Delta {U_1}$$
D
$$\Delta {U_2} > \Delta {U_1}$$
3
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
The figure shows a system of two concentric spheres of radii $${r_1}$$ and $${r_2}$$ are kept at temperatures $${T_1}$$ and $${T_2}$$, respectively. The radial rate of flow of heat in a substance between the two concentric spheres is proportional to AIEEE 2005 Physics - Heat and Thermodynamics Question 354 English
A
$$In\left( {{{{r_2}} \over {{r_1}}}} \right)$$
B
$${{\left( {{r_2} - {r_1}} \right)} \over {\left( {{r_1}{r_2}} \right)}}$$
C
$${\left( {{r_2} - {r_1}} \right)}$$
D
$${{{r_1}{r_2}} \over {\left( {{r_2} - {r_1}} \right)}}$$
4
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
The temperature-entropy diagram of a reversible engine cycle is given in the figure. Its efficiency is AIEEE 2005 Physics - Heat and Thermodynamics Question 352 English
A
$${1 \over 4}$$
B
$${1 \over 2}$$
C
$${2 \over 3}$$
D
$${1 \over 3}$$
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