1
AIEEE 2009
MCQ (Single Correct Answer)
+4
-1
One $$kg$$ of a diatomic gas is at a pressure of $$8 \times {10^4}\,N/{m^2}.$$ The density of the gas is $$4kg/{m^3}$$. What is the energy of the gas due to its thermal motion ?
A
$$5 \times {10^4}\,J$$
B
$$6 \times {10^4}\,J$$
C
$$7 \times {10^4}\,J$$
D
$$3 \times {10^4}\,J$$
2
AIEEE 2009
MCQ (Single Correct Answer)
+4
-1
A long metallic bar is carrying heat from one of its ends to the other end under steady-state. The variation of temperature $$\theta $$ along the length $$x$$ of the bar from its hot end is best described by which of the following figures?
A
AIEEE 2009 Physics - Heat and Thermodynamics Question 327 English Option 1
B
AIEEE 2009 Physics - Heat and Thermodynamics Question 327 English Option 2
C
AIEEE 2009 Physics - Heat and Thermodynamics Question 327 English Option 3
D
AIEEE 2009 Physics - Heat and Thermodynamics Question 327 English Option 4
3
AIEEE 2009
MCQ (Single Correct Answer)
+4
-1
Two moles of helium gas are taken over the cycle $$ABCD,$$ as shown in the $$P$$-$$T$$ diagram. AIEEE 2009 Physics - Heat and Thermodynamics Question 326 English

Assuming the gas to be ideal the work done on the gas in taking it from $$A$$ to $$B$$ is :

A
$$300$$ $$R$$
B
$$400$$ $$R$$
C
$$500$$ $$R$$
D
$$200$$ $$R$$
4
AIEEE 2009
MCQ (Single Correct Answer)
+4
-1
Two moles of helium gas are taken over the cycle $$ABCD,$$ as shown in the $$P$$-$$T$$ diagram. AIEEE 2009 Physics - Heat and Thermodynamics Question 325 English

The work done on the gas in taking it from $$D$$ to $$A$$ is :

A
$$+414$$ $$R$$
B
$$-690$$ $$R$$
C
$$+690$$ $$R$$
D
$$-414$$ $$R$$
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