ECAT Pre General Science Chapter 11 online mcq test with answers for Physics chapter 11 (Heart & Thermodynamics)

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Malik Farhan 26 - Jan - 2019 08 Min 09 Sec 80/120
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Israr Ahmed 09 - Mar - 2024 17 Min 46 Sec 60/120
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Waleed Ahmed 24 - Feb - 2023 05 Min 43 Sec 50/120
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Maliha afridi 25 - Oct - 2018 11 Min 47 Sec 50/120
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Gimi tunio 30 - Jun - 2018 26 Min 00 Sec 45/120
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Malik Farhan 23 - May - 2021 07 Min 14 Sec 35/120
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Farhan Sial 30 - Aug - 2018 09 Min 36 Sec 30/120
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Ahmed Ali Shah 07 - Nov - 2023 01 Min 01 Sec 25/120
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kamal deep 17 - Jun - 2023 02 Min 55 Sec 20/120
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hamza abid 27 - Jan - 2022 10 Min 50 Sec 20/120
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Mohsin rajput Rajput 21 - Sep - 2025 06 Min 38 Sec 9/30
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Frankie 09 - Sep - 2022 01 Min 29 Sec 0/120

ECAT Physics Chapter 11 Important MCQ's

Sr.#	Question	Answer
1	When two objects are rubbed together, their internal energy	A. remains same B. decreases C. remains the same then decreases D. increases
2	The earliest heat engine was	A. petrol engine B. diesel engine C. electric engine D. steam engine
3	The bicycle pump provides a good example of	A. first law of thermodynamics B. second law of thermodynamics C. third law of thermodynamics D. none of them
4	Good absorbers of heat are	A. Poor emitters B. Non emitters C. Good emitters D. Highly polarized
5	If R is gas constant for 1 gram mole, C_pand C_vare specific heat for a solid then	A. C_p- C_v= R B. C_p- C_{v < R} C. C_p- C_{v = 0} D. C_p- C_{v > R}
6	First law of thermodynamic is special case of	A. Law of conservation of energy B. Charle's law C. Law of conservation of mass D. Boyle's law
7	The volume of universal gas constant R is:	A. 8.314 J/K mole K B. 8314 J/K mole K C. 8.314 J/mole K D. None of these
8	In an adiabatic expansion, the temperature of the gas	A. increases B. becomes zero C. decreases D. decreases rapidly
9	At O° K which of the following properties of a gas will be zero?	A. Kinetic energy B. Potential energy C. Vibrational energy D. Density
10	Amount of heat required to raise the temperature of a body through 1 K is called its	A. Specific heat B. Water equivalent C. Thermal capacity D. Entropy

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ECAT Pre General Science Physics Chapter 11 MCQ Test With Answer

MCQ's Test For ECAT Pre General Science Physics Chapter 11 Heat & Thermodynamics

ECAT Pre General Science Physics Chapter 11 Heat & Thermodynamics

The absolute temperature of the tripple point of water is

The bicycle pump provides a good example of

According to kinetic theory of gases, molecules of a gas behave like

In which process the condition for the application of Boyle's law on the gas is fulfilled

If a process cannot be retraced in the backward direction by reversing the controlling factors, it is

A process which can be retraced in exactly reverse order, without producing any change in the surroundings is called

Which of the following does not have the same units:

The work done on the system by the environment is considered as

Heat travels through vacuum by

Two metal rods A and B have their initial lengths in the ratio 2 : 3 and coefficients of linear expansion in the ratio 4 : 3. When they are heated through same temperature difference the ratio of their linear expansion is

In an adiabatic process the work is done at the expense of the

An irreversible heat flow from a hot to cold substances of a system, causes the disorder to

The temperature of gas is produced by

What temperature is the same on Celsius scale as well as on Fahrenheit scale?

One mole of any substance contain

R.M.S velocity of a particle is V at pressure P. If pressure increases by two times, then R.M.S velocity becomes

We cannot utilize the heat contents of oceans and atmosphere because

In a heat engine, heat is supplied by the

The highest efficiency of a heat engine whose low temperature is 17°C and the high temperature is 200°C is

The volume of a gas will be double of what it is at 0°C (pressure remaining constant) at

Generally a temperature scale is established by

Pressure may be define as _______ per second per unit area:

If denotes the total number of molecules in cubic vessel such that m is mass of each milecule and I is length of each side of vessel, then mN/I3gives the:

If N is the total number of molecules and V is the volume of the container, then the expression for the pressure of gas is

In an ideal gas, the molecules have:

The relationship between Boltzmann constant k with R and NAis given as:

While deriving equation of pressure by kinetic theory of gases, we take into account:

While deriving the equation for pressure of a gas we consider the

The number of translation degress of freedom for a diatomic gas is

The internal energy of a system does not depend upon the

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Top Scorers Of ECAT Pre General Science Physics Chapter 11 Heat & Thermodynamics MCQ`s Test

ECAT Physics Chapter 11 Important MCQ's

Test Questions

If denotes the total number of molecules in cubic vessel such that m is mass of each milecule and I is length of each side of vessel, then mN/I³gives the:

The relationship between Boltzmann constant k with R and N_Ais given as: