AIPMT 2014 | Heat and Thermodynamics Question 49 | Physics

AIPMT 2014

MCQ (Single Correct Answer)

-1

A thermodynamic system undergoes cyclic process ABCDA as shown in figure. The work done by the system in the cycle is

AIPMT 2014 Physics - Heat and Thermodynamics Question 66 English

AIPMT 2014 Physics - Heat and Thermodynamics Question 66 English

P₀V₀

2P₀V₀

$${{{P_0}{V_0}} \over 2}$$

zero

AIPMT 2014

MCQ (Single Correct Answer)

-1

The mean free path of molecules of a gas, (radius r) is inversely proportional to

r³

r²

$$\sqrt r $$

NEET 2013 (Karnataka)

MCQ (Single Correct Answer)

-1

In a vessel, the gas is at pressure P. If the mass of all the molecules is halved and their speed is doubled, then the resultant pressure will be

P/2

NEET 2013 (Karnataka)

MCQ (Single Correct Answer)

-1

Two Carnot engines A and B are operated in series. The engine A receives heat from the source at temperature T₁ and rejects the heat to the sink at temperature T. The second engine B receives the heat at temperature T and rejects to its sink at temperature T₂. For what values of T the efficiencies of the two engines are equal

$${{{T_1} - {T_2}} \over 2}$$

$${T_1}{T_2}$$

$$\sqrt {{T_1}{T_2}} $$

$${{{T_1} + {T_2}} \over 2}$$

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