Quantrex Academy Quantrex AcademyPYQs with solutions · JEE · NEET · NDA

Home · JEE PYQs · Physics · Specific Heat Capacities of Gases

JEE Specific Heat Capacities of Gases PYQs with Solutions

85 previous year questions from Specific Heat Capacities of Gases (JEE Main & Advanced Physics) with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

85 questionsPhysicsAnswers + solutions

About Specific Heat Capacities of Gases PYQs

Specific Heat Capacities of Gases has 85 previous year questions in the Quantrex Academy JEE Main & Advanced Physics bank. The 85 questions in this list come from Concepts Of Physics MCQ Edition [Volume 2] (85). Each question opens on its own page with the options, the correct answer and the worked solution where available.

Specific Heat Capacities of Gases questions with solutions

1

The ratio of molar heat capacities for an ideal gas is given as C_p / C_V = 7/6 . Find the change in internal energy of 1.0 mole of the gas when its temperature is raised by 50 K

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 2

An ideal gas has a molar heat capacity ratio of C_p / C_V = 7/6 . Determine the change in internal energy of 1.0 mole of this gas when its temperature is raised by 50 K while

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 3

As illustrated in the figure, a cylindrical container holds oxygen ( γ = 1.4 ) and is sealed by a 50 kg frictionless piston. The cross-sectional area is 100 cm^2 , the atmospheric

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 4

A vessel containing one mole of a monatomic ideal gas (molecular weight = 20 g mol^ -1 ) travels on a floor at a speed of 50 m s^ -1 . The vessel is abruptly brought to rest.

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 5

When 50 J of heat is supplied to an ideal gas, it expands from 100 cm^3 to 200 cm^3 at a constant pressure of 2.0 × 10^5 Pa . Calculate the change in internal energy of the gas.

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 6

An ideal gas expands from 100 cm^3 to 200 cm^3 at a constant pressure of 2.0 × 10^5 Pa when 50 J of heat is supplied to it. Assuming the initial temperature is 300 K , calculate

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 7

An ideal gas expands from 100 cm^3 to 200 cm^3 at a constant pressure of 2.0 × 10^5 Pa upon being supplied with 50 J of heat. Determine the number of moles in the gas if its

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 8

During a particular process, a monatomic ideal gas absorbs an amount of heat Q and performs work equal to Q/2 on its surroundings. Determine the molar heat capacity of the gas for

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 9

An ideal gas undergoes a process where its pressure and volume vary according to the relation p = kV . The molar heat capacity of the gas for this process is given by

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 10

An ideal gas (with C_p / C_V = γ ) undergoes a process where its pressure and volume are related by p = aV^b . Determine the value of b such that the specific heat capacity during

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 11

Consider two ideal gases that share the same value of C_p / C_V = γ . If these two gases are mixed in a 1 : 2 ratio, what will be the value of this ratio for the resulting mixture?

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 12

A mixture consists of 1 mole of helium ( C_p = 2.5 R , C_V = 1.5 R ) and 1 mole of hydrogen ( C_p = 3.5 R , C_V = 2.5 R ). Determine the values of C_p , C_V , and γ for this

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 13

Half mole of an ideal gas ( γ = 5/3 ) is taken through the cycle abcda as shown in the figure. Take R = (25)/(3) J K^ -1 mol^ -1 . Determine the temperature of the gas in the

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 14

Half mole of an ideal gas ( γ = 5/3 ) is taken through a cycle abcda in a P - V diagram. The states are located at a(5000 cm^3, 100 kPa) , b(10000 cm^3, 100 kPa) , c(10000 cm^3

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 15

Half mole of an ideal gas ( γ = 5/3 ) is taken through a cycle abcda in a P - V diagram. The states are located at a(5000 cm^3, 100 kPa) , b(10000 cm^3, 100 kPa) , c(10000 cm^3

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 16

An ideal gas ( γ = 1.67 ) is taken through the process abc shown in the figure. The temperature at the point a is 300 K . Calculate the temperatures at b and c .

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 17

An ideal gas ( γ = 1.67 ) is taken through the process abc shown in the figure. The temperature at the point a is 300 K . Calculate the work done in the process.

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 18

An ideal gas ( γ = 1.67 ) is taken through the process abc shown in the figure. The temperature at the point a is 300 K . Calculate the amount of heat supplied in the path ab and

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 19

A rigid container holds 5 g of a gas, which is heated from 15^ ^ ^ ∘ C to 25^ ^ ^ ∘ C . The specific heat capacity of the gas at constant volume is 0.172 cal g^ -1 ^ ^ ^ ∘ C^ -1

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 20

For an ideal gas, the ratio of molar heat capacities is C_p / C_V = 7/6 . Calculate the change in internal energy of 1.0 mole of the gas when its temperature is increased by 50 K

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 21

For hydrogen, the specific heat capacities at constant volume and at constant pressure are 2.4 cal g^ -1 ^ ^ ^ ∘ ^ -1 and 3.4 cal g^ -1 ^ ^ ^ ∘ ^ -1 respectively. The molecular

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 22

Within Joly's differential steam calorimeter, 3 g of an ideal gas resides in a rigid closed sphere at 20^ ^ ^ ∘ C . The sphere is heated using steam at 100^ ^ ^ ∘ C . Once the gas

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 23

An ideal gas ( γ = 1.67 ) is taken through the process abc shown in the figure. The temperature at the point a is 300 K . Calculate the change in the internal energy of the gas in

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 24

A sample of air weighing 1.18 g occupies 1.0 × 10^3 cm^3 when maintained at 300 K and 1.0 × 10^5 Pa . When 2.0 cal of heat is supplied to it at constant volume, its temperature

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 25

An ideal gas ( γ = 1.5 ) undergoes an adiabatic change in volume from 4.00 litres to 3.00 litres. Determine the ratio of its final pressure to its initial pressure.

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 26

An ideal gas ( γ = 1.5 ) undergoes an adiabatic change in volume from 4.00 litres to 3.00 litres. Determine the ratio of its final temperature to its initial temperature.

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 27

Occupying 100 cc , an ideal gas is initially at a pressure of 2.5 × 10^5 Pa and a temperature of 300 K . It is adiabatically compressed to half its original volume. Determine the

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 28

Air ( γ = 1.4 ) is pumped to a pressure of 2 atm inside a motor tyre at 20^ ^ ^ ∘ C . If the tyre suddenly bursts, determine the temperature of the escaping air. Disregard any

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 29

A gas is confined in a cylindrical can fitted with a piston. Both the piston and the walls of the can are adiabatic. The initial pressure, volume, and temperature of the gas are

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 30

When an ideal gas is supplied with 50 J of heat, it expands from 100 cm^3 to 200 cm^3 at a constant pressure of 2.0 × 10^5 Pa . If the initial temperature is 300 K , determine the

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 31

A gas is confined in a cylindrical can fitted with a piston. Both the piston and the walls of the can are adiabatic. The initial pressure, volume, and temperature of the gas are

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 32

A given mass of a gas, with a specific heat ratio C_p / C_V = γ , has an initial pressure p_0 and an initial volume V_0 . The gas is permitted to exchange heat with its

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 33

An ideal gas sample ( γ = 1.5 ) is adiabatically compressed from a volume of 150 cm^3 to 50 cm^3 . The initial pressure and initial temperature are 150 kPa and 300 K . Determine

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 34

An ideal gas sample ( γ = 1.5 ) is adiabatically compressed from a volume of 150 cm^3 to 50 cm^3 . The initial pressure and initial temperature are 150 kPa and 300 K . Calculate

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 35

An ideal gas sample ( γ = 1.5 ) is adiabatically compressed from a volume of 150 cm^3 to 50 cm^3 . The initial pressure and initial temperature are 150 kPa and 300 K . Calculate

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 36

An ideal gas sample ( γ = 1.5 ) is adiabatically compressed from a volume of 150 cm^3 to 50 cm^3 . The initial pressure and initial temperature are 150 kPa and 300 K . Determine

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 37

An ideal gas sample ( γ = 1.5 ) is adiabatically compressed from a volume of 150 cm^3 to 50 cm^3 . The initial pressure and initial temperature are 150 kPa and 300 K . Determine

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 38

Three samples A , B and C of the same gas ( γ = 1.5 ) initially have equal volumes and temperatures. Each sample's volume is doubled, with the process being isothermal for A

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 39

Two samples A and B of the same gas have equal volumes and pressures. The gas in sample A is expanded isothermally to double its volume, whereas the gas in sample B is expanded

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 40

An ideal gas with γ = 1.5 and an initial volume of 1 litre at 300 K is suddenly compressed until its volume is halved. Determine the ratio of the final pressure to the initial

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 41

An ideal gas ( γ = 1.5 ) occupying 1 litre at 300 K and an initial pressure of 100 kPa undergoes a sudden compression to half its original volume. Calculate the work done by the

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 42

An ideal gas ( γ = 1.5 ) initially at 300 K and 100 kPa with a volume of 1 litre is suddenly compressed to half its original volume. What is the change in the internal energy of

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 43

An ideal gas possessing γ = 1.5 is initially at 300 K with a volume of 1 litre. It is suddenly compressed to half its original volume. Determine the final temperature of the gas.

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 44

An ideal gas ( γ = 1.5 ) at 300 K and 100 kPa with an initial volume of 1 litre undergoes a cycle: it is suddenly compressed to half its volume, cooled at constant pressure to 300

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 45

An ideal gas ( γ = 1.5 ) initially at 1 litre, 300 K , and 100 kPa is suddenly compressed to half its original volume. Subsequently, the gas is cooled back to 300 K while

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 46

An ideal gas ( γ = 1.5 ) starting at 1 litre, 300 K , and 100 kPa is suddenly compressed to half its volume, then cooled at constant pressure back to 300 K . Finally, the gas is

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 47

A given mass of a gas, with a specific heat ratio C_p / C_V = γ , has an initial pressure p_0 and an initial volume V_0 . The gas is permitted to exchange heat with its

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 48

Occupying 100 cc , an ideal gas is initially at a pressure of 2.5 × 10^5 Pa and a temperature of 300 K . It is adiabatically compressed to half its original volume. Evaluate the

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 49

Occupying 100 cc , an ideal gas is initially at a pressure of 2.5 × 10^5 Pa and a temperature of 300 K . It is adiabatically compressed to half its original volume. Determine the

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 50

Two rigid vessels A and B , each having a volume of 200 cm^3 , contain an ideal gas ( C_V = 12.5 J K^ -1 mol^ -1 ). These vessels are connected to a manometer tube containing

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 51

A sample of an ideal gas ( C_p / C_V = γ ) has an initial pressure p_0 and volume V_0 . The gas is isothermally taken to a pressure p_0 / 2 and from there adiabatically to a

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 52

Two vessels with adiabatic walls are shown in the figure. One vessel holds 0.1 g of helium ( γ = 1.67 , M = 4 g mol^ -1 ) while the other holds an unknown amount of hydrogen ( γ =

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 53

Two rigid vessels A and B , each having a volume of 200 cm^3 , contain an ideal gas ( C_V = 12.5 J K^ -1 mol^ -1 ). These vessels are connected to a manometer tube containing

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 54

A sample of an ideal gas ( C_p / C_V = γ ) has an initial pressure p_0 and volume V_0 . The gas is adiabatically taken to a pressure p_0 / 2 and from there isothermally to a

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 55

Two vessels A and B of equal volume V_0 are joined by a narrow tube equipped with a valve. The vessels contain pistons that can be moved to alter the volumes. Initially, the valve

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 56

An adiabatic cylindrical tube having a volume V_0 is separated into two parts by a frictionless adiabatic separator, as shown in the figure. Initially, the separator is held in

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 57

Two vessels A and B of equal volume V_0 are joined by a narrow tube equipped with a valve. The vessels contain pistons that can be moved to alter the volumes. Initially, the valve

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 58

As shown in the figure, a cylindrical tube possesses adiabatic walls and is equipped with an adiabatic separator. An external mechanism can be used to slide the separator within

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 59

An adiabatic cylindrical tube having a volume V_0 is separated into two parts by a frictionless adiabatic separator. Initially, the separator is held in the middle. The left part

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 60

An adiabatic cylindrical tube having a volume V_0 is separated into two parts by a frictionless adiabatic separator. Initially, the separator is held in the middle. The left part

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 61

At 0^ ^ ^ ∘ C , the speed of sound in hydrogen is 1280 m s^ -1 . The density of hydrogen at STP is 0.089 kg m^ -3 . Determine the molar heat capacities C_p and C_V of hydrogen.

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 62

A Kundt tube is filled with an ideal gas having a density of 1.7 × 10^ -3 g cm^ -3 at a pressure of 1.5 × 10^5 Pa . When the gas is resonated at a frequency of 3.0 kHz , nodes

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 63

Closed at one end and fitted with a piston at the other, an adiabatic cylindrical tube has a cross-sectional area of 1 cm^2 . The tube holds 0.03 g of an ideal gas. At a pressure

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 64

At STP, 4.0 g of helium occupies a volume of 22400 cm^3 . Given that the specific heat capacity of helium at constant pressure is 5.0 cal K^ -1 mol^ -1 , determine the speed of

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 65

In a tube filled with oxygen at 300 K , standing waves of frequency 5.0 kHz are generated. The separation between successive nodes is 3.3 cm . Determine the specific heat

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 66

The work performed by a sample of an ideal gas during process A is twice the work done during another process B . The temperature increases by an identical amount in both

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 67

For a certain gas sample, the quantity C_p - C_V is 1.00 R in state A and 1.08 R in state B . If the pressures are denoted by p_A and p_B , and the temperatures by T_A and T_B for

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 68

During an adiabatic process on a gas having γ = 1.4 , its pressure increases by 0.5\% . The volume of the gas decreases by approximately

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 69

Suppose C_V and C_p denote the molar heat capacities of an ideal gas at constant volume and constant pressure, respectively. Which of the following expressions is a universal

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 70

In the case of a solid possessing a small expansion coefficient,

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 71

As shown in the figure, a gas undergoes a process during which both its pressure and volume change. Let C be the molar heat capacity for this process.

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 72

To raise the temperature of 2 mole of an ideal gas from 30^ ^ ^ ∘ C to 35^ ^ ^ ∘ C at constant pressure, 70 calories of heat is required. The amount of heat needed to raise the

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 73

Determine the molar heat capacity for the thermodynamic process depicted in the figure.

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 74

Two samples A and B are initially maintained in identical states. Sample A undergoes expansion via an adiabatic process, whereas sample B expands via an isothermal process. Both

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 75

At STP, the molar heat capacity of oxygen gas is nearly 2.5 R . With an increase in temperature, it gradually rises and approaches 3.5 R . The most fitting reason for this

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 76

Let T_a and T_b be the final temperatures of the samples A and B respectively. Let Δ W_a and Δ W_b be the work done by the systems A and B respectively.

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 77

Two samples A and B are initially kept in the same state. The sample A is expanded through an adiabatic process and the sample B through an isothermal process. The final volumes

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 78

During an isothermal process on an ideal gas, the pressure rises by 0.5\% . The volume decreases by approximately

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 79

Suppose Q and W denote the amount of heat supplied to an ideal gas and the work performed by it during an isothermal process. Which of the following relations holds true?

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 80

When a gas enclosed in a container of finite conductivity is suddenly compressed, the process

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 81

Suppose Q and W represent the amount of heat supplied to an ideal gas and the work performed by it during an adiabatic process.

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 82

Examine the processes A and B displayed in the figure. It is possible that

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 83

One mole of an ideal gas is kept in a rigid container of negligible heat capacity. If 3.0 cal of heat is supplied to the gas, its temperature rises by 1^ ^ ^ ∘ C . This gas could

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 84

Three identical adiabatic containers A , B , and C hold helium, neon, and oxygen respectively at equal pressures. These gases are compressed to half their original volumes. Which

Concepts Of Physics MCQ Edition [Volume 2] Solution View → 85

Four cylinders hold equal numbers of moles of argon, hydrogen, nitrogen, and carbon dioxide at the same temperature. The energy is minimum in

Concepts Of Physics MCQ Edition [Volume 2] Solution View →
Practice all Specific Heat Capacities of Gases questions in the app →

Related JEE Physics chapters

Current Electricity (742)Electrostatics (667)Ray Optics (637)Rotational Motion (632)Magnetic Effects of Current (586)Laws of Motion (579)Thermodynamics (577)Gravitation (550)Electromagnetic Induction (521)Mechanical Properties of Fluids (496)Waves and Sound (490)Oscillations (458)