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 temperature scale approved in SI units is:

Question # 2

When a gas is compressed:

Question # 3

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

Question # 4

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

Question # 5

Steam engine is:

Question # 6

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

Question # 7

Thermal radiations are a type of:

Question # 8

Petrol engine coverts ____________ of available heat energy into work.

Question # 9

The efficiency of a particle heat engine:

Question # 10

When heat is added to the system, the entropy change is:

Question # 11

In an ideal gas, the molecules have:

Question # 12

The equation PVr = Constant applies to:

Question # 13

Pressure may be defined as_____per second per unit area:

Question # 14

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

Question # 15

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

Question # 16

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

Question # 17

The nature of thermal radiation is smaller to:

Question # 18

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

Question # 19

Electromagnetic waves emitted by hot bodies are called:

Question # 20

Carnot engine is ____________ heat engine.

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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 Hotness and coldness of an object is represented in terms of:
A. Heat
B. Temperature
C. Chemicial
D. None of these
2 What will be efficiency of carnot engine when it is operated between the temperatures 47oC and 127 oC:
A. Reversible
B. Irreversible
C. Sometimes A and B
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 In which process, the change in internal energy of the system of zero:
A. Isochoric process
B. isobaric process
C. Adiabatic process
D. Isothermal process
5 The temperature at which all the gases become liquid is called:
A. 273 K
B. -273 K
C. Absolute Zero
D. Both (B) and (C)
6 Most motorbikes have ____________ cylinder/s engine but cars usually have _________ cylinders on the same crankshaft.
A. Four , Six
B. One , four
C. two , five
D. None of these
7 The only significant motion possessed by the mono-atomic gas molecules is:
A. Translatory
B. Rotatory
C. Vibratory
D. None of these
8 While dealing with the processes i thermodynamics, the working substances is usually:
A. Oxygen gas
B. Hydrogen gas
C. Ideal gas
D. None of these
9 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
10 First law of thermodynamics is merely a statement of law of conversation of:
A. Energy
B. Angular momentum
C. Change
D. Linear momentum

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