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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Waleed Ahmed 24 - Feb - 2023 05 Min 43 Sec 50/120
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Ahmed Ali Shah 07 - Nov - 2023 01 Min 01 Sec 25/120
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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	Absolute zero is considered as that temperature at which:	A. All liquid become gases B. All gases become liquid C. Water freezes D. None of these
2	At constant volume temperature is increased. Then	A. Collision on walls will be less B. Number of collisions per unit time will increase C. Collision will be in straight lines D. Collision will not change
3	The absolute temperature for an ideal gas is	A. directly proportional to the rotational K.E of gas molecules B. directly proportional to the vibrational K.E of gas molecules C. directly proportional to the average translational K.E.of gas molecules D. directly proportional to the P.E. of gas molecules
4	Pressure applied at any point of gas at rest is transmitted equally to all parts of the gas. This is the statement of:	A. Newton's second law B. Pascal's law C. Carnot theorem D. Second law of thermodynamics
5	Rate of diffusion is	A. Faster in solids than in liquids and gases B. Faster in liquids than in solids and gases C. Equal to solids, liquids and gases D. Faster in gases than in liquids and solids
6	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
7	According to the second law, which is must to produce work	A. a source contains a large amount of heat energy B. two sources at the same temperature C. two sources at the different temperatures D. a source contains a small amount of energy
8	Which of the following is not thermo dynamical function?	A. Enthalpy B. Work done C. Gibb's energy D. Internal energy
9	In an adiabatic process the work is done at the expense of the	A. energy supplied to the system B. energy gained from the surroundings C. internal energy D. none of them
10	While deriving equation of pressure by kinetic theory of gases, we take into account:	A. Only linear motion of molecules B. Only rotational motion C. Only vibratory motion D. All of these

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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

Truth of kinetic energy is confirmed by:

Melting point of ice

A carnot cycle consists of

In all natural processes where heat flows from one system to another, there is always a net

Efficiency of carnot engine is independent of the

Good absorbers of heat are

We cannot utilize the heat contents of oceans and atmosphere because

The rate of change of momentum of a molecule is equal to:

Which of the following does not have the same units:

The nature of thermal radiation is similar to:

If the distance between two charges is doubled, the force between them will become:

The only significant motion possessed by the mono-atomic gas represented is:

Real gases strictly obey gas law at:

The behaviour of gases is well accounted by the kinetic theory based on

The process which is carried out at constant temperature is known as

Absolute zero is considered as that temperature at which:

At constant temperature, if the density of the gas is increased, its pressure will:

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

If a molecule with momentum mv strikes a wall and rebound then the change in momentum will be:

An isochoric process is one which take place at

Heat required to raise the temperature of one mole of a gas through 1 K at constant pressure is called

A diatomic gas molecule has

One kilogram of different substances contain

At O° K which of the following properties of a gas will be zero?

The unit of thermodynamical scale is

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

Hydrogen and helium of same volume V at same temperature T and same pressure P are mixed to have same volume V. The resulting pressure of the mixtures will be

A succession of events which bring the system back to its initial condition is called

Boyle's law is applicable in

The internal energy of an ideal gas system is generally the

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ECAT Physics Chapter 11 Important MCQ's

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