# Physics 1st Year Chapter 11 MCQs Online

Physics 1st Year Chapter 11 MCQs are up-to-date and are beneficial for both entry tests and board examinations. Students must prepare these again and again to have the best possible result.

## Physics 1st Year Chapter 11 MCQs

FSc 1st Year Physics Chapter 11 MCQs Notes are a helping material for all kinds of papers.

## Physics 1st Year Chapter 11 Heat and Thermodynamics

Heat is the form of:
Pressure of the gas depends upon:
In the isothermal process, one of the following is constant:
A process in which no heat enters or leaves the system is called
For a gas obeying Boyle’s law, if the pressure is doubled, the volume becomes:
Gas law PVγ = constant is for:
Cloud formation in the atmosphere is example of:
Boyle’s law holds for ideal gases in:
Which one is true for internal energy?
The internal energy of an ideal gas is directly proportional to:
Which one is correct relation?
Specific heats of a gas at constant pressure and at constant volume are respectively Cp and Cv :
Numerical value of Boltzmann’s constant is:
The first law of thermodynamics is an expression of:
The amount of heat required raising the temperature of 1 kg of a substance through 1 K is called:
The expression for isothermal process is:
In adiabatic expansion, first law of thermodynamics becomes:
The Celsius scale starts from:
Unit of thermodynamic scale of temperature is:
Normal human body temperature 98.6oF corresponds to:
Triple point of water is:
If the temperature of the sink is decreased, the efficiency of Carnot engine:
The area enclosed by the curve ABCDA for a Carnot heat engine represents the work done by Carnot engine:
Carnot cycle is:
The efficiency of diesel engine is about:
The efficiency of petrol engine is about:
The efficiency of a Carnot engine between HTR at T1 and LTR at T2 is given by:
Working cycle of a typical petrol engine consists of:
The unit of entropy is:
Mathematically, entropy is represented by:
The increase in the entropy means the increase in:
The property of a system that remains constant during an adiabatic process is called:
In which process entropy remains constant:
When heat is added to the system, the entropy change is:
Physics 1st Year Chapter 11 Heat and Thermodynamics
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