What is Thermodynamics in Hindi

What is Thermodynamics in Hindi. We covered all the What is Thermodynamics in Hindi in this post for free so that you can practice well for the exam.

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Thermodynamics Objective in Hindi for Students

Internal energy of a system is a function of

a) Mass of the system

b) Temperature

c) Both Mass and temperature

d) Path followed by the system

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A gas absorbs 200 J of Heat and expands from 0.5 L to 1.0 L against a constant external pressure of 1.5 atm. What is the change in internal energy (ΔU)?

a) 525 J

b) 375 J

c) 124 J

d) 200 J

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Temperature and Heat are classified as

a) Extensive properties

b) Intensive properties

c) Intensive and extensive respectively

d) Extensive and intensive respectively

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Which of the following represents the largest unit of energy?

a) Joule

b) Litre–Atmosphere

c) Erg

d) Calorie

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During adiabatic compression, the internal energy of a system

a) Increases

b) Decreases

c) Remains unchanged

d) Becomes zero

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When work is performed on a system, its internal energy

a) Increases

b) Decreases

c) Remains constant

d) Becomes zero

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A gas expands from 4 dm³ to 6 dm³ against a constant external pressure of 3 atm. What is the work done during this expansion?

a) −6 J

b) −608 J

c) +304 J

d) −304 J

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A thermodynamic process is reversible when

a) The changes in system and surroundings are identical

b) There is no boundary separating system and surroundings

c) The surroundings remain in equilibrium with the system at every stage

d) The system changes spontaneously into the surroundings

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What is the change in internal energy if 12 kJ of work is done on the system and 2 kJ of Heat is released by the system?

a) 10 kJ

b) −10 kJ

c) 5 kJ

d) −5 kJ

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Which of the following is a state function?

a) Cp

b) Cv

c) Enthalpy

d) All of these

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The relation q = −W does not hold true for which process?

a) Isothermal process

b) Adiabatic process

c) Cyclic process

d) Both isothermal and adiabatic processes

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In an isothermal and reversible expansion of a gas, the work done is

a) Zero

b) Maximum

c) Minimum

d) Both zero and minimum

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Surroundings in Thermodynamics refer to

a) A large reservoir of Matter and energy capable of exchanging with the system

b) The part of the universe under thermodynamic study

c) The entire universe including the system

d) The wall separating the system from its surroundings

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Which of the following is an extensive property?

a) Surface tension

b) Freezing point

c) Internal energy

d) Density

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An open system is one that

a) Cannot exchange energy

b) Can exchange both Matter and energy

c) Can exchange only energy

d) Can exchange only Matter

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Which of the following is not an extensive property?

a) Specific Heat

b) Surface area

c) Heat

d) work

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Identify the intensive quantities from the following pairs

a) Enthalpy and temperature

b) Volume and temperature

c) Enthalpy and volume

d) Temperature and refractive index

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We covered all the what is Thermodynamics in Hindi above in this post for free so that you can practice well for the exam.

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