AIPMT 2015 | Heat and Thermodynamics Question 41 | Physics

Two vessels separately contain two ideal gases A and B at the same temperature, the pressure of A being twice that of B. Under such conditions, the density of A is found to be 1.5 times the density of B. The ratio of molecular weight of A and B is

$${1 \over 2}$$

$${2 \over 3}$$

$${3 \over 4}$$

AIPMT 2015

MCQ (Single Correct Answer)

-1

The coefficient of performance of a refrigerator is 5. If the temperature inside freezer is $$-$$20^oC, the temperature of the surroundings to which it rejects heat is

11^oC

21^oC

31^oC

41^oC

AIPMT 2015

MCQ (Single Correct Answer)

-1

An ideal gas is compressed to half its initial volume by means of several processes. Which of the process results in the maximum work done on the gas ?

Isochoric

Isothermal

Adiabatic

Isobaric

AIPMT 2015 Cancelled Paper

MCQ (Single Correct Answer)

-1

One mole of an ideal diatomic gas undergoes a transition from A to B along a path AB as shown in the figure.

AIPMT 2015 Cancelled Paper Physics - Heat and Thermodynamics Question 69 English

AIPMT 2015 Cancelled Paper Physics - Heat and Thermodynamics Question 69 English

The change in internal energy of the gas during the transition is

20 J

$$-$$ 12 kJ

20 kJ

$$-$$ 20 kJ

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Human Health and Diseases Body Fluids and Its Circulation Locomotion and Movement Neural Control and Coordination Reproduction in Organisms Reproductive Health Structural Organisation in Animals Digestion and Absorption Excretory Products and Their Elimination Chemical Coordination and Integration Human Reproduction Animal Kingdom Breathing and Exchange of Gases Evolution