MDCAT Physics Chapter 8 MCQ Test With Answer for (Heat and Thermodynamics)

If you are looking for the MCQs of Chapter 8 of Physics, then you are on the right platform. The candidates can check the MCQs from this platform to prepare for the entry test. MDCAT is the MCQs-based test in which the students have to solve the given questions in the provided time.

MCQ's Test For MDCAT Physics Chapter 8 Heat and Thermodynamics Online Test

Try The MCQ's Test For MDCAT Physics Chapter 8 Heat and Thermodynamics Online Test

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MDCAT Physics Chapter 8 Heat and Thermodynamics Online Test

00:00
Question # 1

When two objects come to common temperature, the body is said to be in:

Question # 2

The temperature scale approved in SI units is:

Question # 3

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

Question # 4

A process which is carried at constant temperature and Boyle's law can be applied is called:

Question # 5

First law of thermodynamics is merely a statement of law of conversation of:

Question # 6

Most motorbikes have ____________ cylinder/s engine but cars usually have _________ cylinders on the same crankshaft.

Question # 7

In which process the change in internal energy of the system is zero:

Question # 8

If the temperature difference between hot and cold body is greater the heat engine is:

Question # 9

Which of the following does not have the same units:

Question # 10

Pressure may be defined as_____per second per unit area:

Question # 11

While dealing with the processes i thermodynamics, the working substances is usually:

Question # 12

The temperature at which all the gases become liquid is called:

Question # 13

The ratio of output work per cycle to input energy per cycle is called:

Question # 14

In which process, the change in internal energy of the system of zero:

Question # 15

Real gases strictly obey gas laws at:

Question # 16

In thermodynamics, the change in internal energy depends upon:

Question # 17

Hotness and coldness of an object is represented in terms of:

Question # 18

Thermal radiations are a type of:

Question # 19

According to boyle's law, volume of a given mass of a gas is

Question # 20

If P is the pressure and V is the volume, Then PV will represent:

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The students preparing for the MDCAT must solve the questions before appearing in the entry test. By solving the MCQs, the students can have a better understanding of the topic, and they can ace the test with maximum marks. The students should solve all the provided MCQs. Moreover, the answers are also given to facilitate the students to cross-check after solving the MCQs. It is mandatory to prepare all the topics included in this chapter thoroughly. Stay in touch with us to get more updates about the preparation material for MDCAT.

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MCAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 At constant temperature, if the volume of a given mass of a gas is doubled, then the density of gas becomes:
A. Double
B. Remains constant
C. Half
D. None of these
2 The law of thermodynamics which discusses the condition under which heat energy is converted into and equivalent amount of work is:
A. 1st
B. 2nd
C. 3rd
D. None of these
3 For a gas obeying Boyle's law, if the pressure is doubled the volume becomes:
A. One half
B. Double
C. Four times
D. None of these
4 If P is the pressure and V is the volume, Then PV will represent:
A. Power
B. Work
C. Force
D. None of these
5 When two objects come to common temperature, the body is said to be in:
A. Static equilibrium
B. Dynamic equilibrium
C. Thermal equilibrium
D. None of these
6 Petrol engine coverts ____________ of available heat energy into work.
A. 20% to 25%
B. 25% to 30%
C. 30% to 35%
D. 35% to 40%
7 Real gases strictly obey gas laws at:
A. High pressures and low temperatures
B. Low pressures and high temperatures
C. High pressures and & temperatures
D. None of these
8 The equation PVr = Constant applies to:
A. Isothermal process
B. Adiabatic process
C. Isobaric process
D. None of these
9 Only those processes are probable to take place for which entropy os the system:
A. Increases
B. Remains constant
C. Both A and B are correct
D. None of above
10 Diesel engine coverts ____________ of available heat energy into work.
A. 20% to 25%
B. 25% to 30%
C. 30% to 35%
D. 35% to 40%

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