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

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Question # 1

The ideal gas obey gas law at:

Question # 2

For a gas obeying Boyle's law, if the pressure is doubled the volume becomes:

Question # 3

The equation W = ________𝜟U represents:

Question # 4

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

Question # 5

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

Question # 6

Diesel engine coverts ____________ of available heat energy into work.

Question # 7

The temperature scale approved in SI units is:

Question # 8

The equation PVr = Constant applies to:

Question # 9

What will be efficiency of carnot engine when it is operated between the temperatures 47oC and 127 oC:

Question # 10

Pressure may be defined as_____per second per unit area:

Question # 11

If Cvdonotes molar specific heat at constant volume and𝜟 T is the change in temperature, then Cv𝜟T gives:

Question # 12

In an ideal gas, the molecules have:

Question # 13

When a gas is compressed:

Question # 14

Electromagnetic waves emitted by hot bodies are called:

Question # 15

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

Question # 16

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

Question # 17

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

Question # 18

The law of thermodynamics which discusses the condition under which heat energy is converted into and equivalent amount of work is:

Question # 19

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

Question # 20

Absolute zero is considered as that temperature at which:

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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 The pressure exerted on the walls on the vessel by gas molecules is defined as:
A. Force per unit volume
B. Energy per unit area
C. mass per unit volume
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 The temperature scale approved in SI units is:
A. Calslus scale
B. Kelvin scale
C. Fehrenhelt scale
D. None of these
4 When a gas is compressed:
A. Its internal energy decreases
B. Its temperature decreases
C. Its temperature increases
D. None of these
5 If a molecule with momentum mv strikes a wall and rebound then the change in momentum will be:
A. -2 mv
B. Zero
C. 2 mv
D. mv
6 According to boyle's law, volume of a given mass of a gas is
A. Inversely proportional mass at constant pressure
B. Directly proportional to pressure at constant temprerature
C. Inversely proportional pressure at constant temprature
D. None of these
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 motion of molecules in gases i:
A. Orderly
B. Random
C. Circular
D. All of these
9 The number of molecules in one mole of gas is equal to:
A. Avogadro number NA
B. Gas constant R
C. Boltzmann constant k
D. None of these
10 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

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