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

The number of molecules in one mole of gas is equal to:

Question # 2

Only those processes are probable to take place for which entropy os the system:

Question # 3

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

Question # 4

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

Question # 5

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

Question # 6

Change in momentum per second is:

Question # 7

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

Question # 8

The relationship between Boltzmann constant K with R and NAis given as:

Question # 9

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

Question # 10

The nature of thermal radiation is similar to:

Question # 11

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

Question # 12

Thermal radiations are a type of:

Question # 13

The nature of thermal radiation is smaller to:

Question # 14

When a gas is compressed:

Question # 15

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

Question # 16

As the working substance of a heat engine completes a cycle, there is no change in:

Question # 17

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

Question # 18

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

Question # 19

Pressure may be defined as_____per second per unit area:

Question # 20

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

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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 nature of thermal radiation is similar to:
A. Ultraviolet rays
B. Light rays
C. Both of them
D. None of them
2 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%
3 A process which is carried at constant temperature and Boyle's law can be applied is called:
A. Adiabatic process
B. Isothermal process
C. Isochoric process
D. None of these
4 The only significant motion possessed by the mono-atomic gas molecules is:
A. Translatory
B. Rotatory
C. Vibratory
D. None of these
5 In an ideal gas, the molecules have:
A. Kinetic energy only
B. Potential energy only
C. Both KE and PE
D. None of these
6 In the theory of dimensional analysis, heat may be properly represented by:
A. ML2T-2
B. MT-2
C. ML-1T-1
D. None of these
7 In thermodynamics, the change in internal energy depends upon:
A. The path taken between initial and final states
B. The initial state only
C. The final state only
D. Initial and final states
8 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
9 The value of universal gas constant R is:
A. 8.314 J/K mole K
B. 8314 J/ mole K
C. 8.314 J/ mole K
D. None of these
10 At constant temperature, if the density of the gas is increased, its pressure will:
A. Decrease
B. Increase
C. Remain unchanged
D. None of these

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