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 equation W = ________𝜟U represents:

Question # 2

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

Question # 3

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

Question # 4

If temperature of the sink is decreased, efficiency of a carnot engine.

Question # 5

Change in momentum per second is:

Question # 6

Absolute zero is considered as that temperature at which:

Question # 7

In thermodynamics, the change in internal energy depends upon:

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

The efficiency of a practical heat engine:

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

Thermal radiations are a type of:

Question # 16

The value of universal gas constant R is:

Question # 17

Petrol engine coverts ____________ of available heat energy into work.

Question # 18

Avogadro number is known as number of molecules in:

Question # 19

Steam engine is:

Question # 20

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

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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 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%
2 If P is the pressure and V is the volume, Then PV will represent:
A. Power
B. Work
C. Force
D. None of these
3 Truth of kinetic energy theory is confirmed by:
A. Diffusion of gases
B. Brownian motion
C. Both A and B
D. None of these
4 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
5 The temperature scale approved in SI units is:
A. Calslus scale
B. Kelvin scale
C. Fehrenhelt scale
D. None of these
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 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
8 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
9 When a gas is compressed:
A. Its internal energy decreases
B. Its temperature decreases
C. Its temperature increases
D. None of these
10 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

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