AIEEE 2009 | Heat and Thermodynamics Question 410 | Physics

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?

AIEEE 2009 Physics - Heat and Thermodynamics Question 400 English Option 1

AIEEE 2009 Physics - Heat and Thermodynamics Question 400 English Option 2

AIEEE 2009

MCQ (Single Correct Answer)

-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 398 English

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

$$+414$$ $$R$$

$$-690$$ $$R$$

$$+690$$ $$R$$

$$-414$$ $$R$$

AIEEE 2009

MCQ (Single Correct Answer)

-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 397 English

The net work done on the gas in the cycle $$ABCDA$$ is:

$$276$$ $$R$$

$$1076$$ $$R$$

$$1904$$ $$R$$

zero

AIEEE 2009

MCQ (Single Correct Answer)

-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 ?

$$5 \times {10^4}\,J$$

$$6 \times {10^4}\,J$$

$$7 \times {10^4}\,J$$

$$3 \times {10^4}\,J$$

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