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

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

Question # 2

When a gas is compressed:

Question # 3

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

Question # 4

In thermodynamics, the change in internal energy depends upon:

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

Carnot engine is ____________ heat engine.

Question # 9

A gas which strictly obeys the gas laws under all conditions of temperatures and pressure is called:

Question # 10

At constant temperature, if the volume of a given mass of a gas is doubled, then the density of gas becomes:

Question # 11

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

Question # 12

The nature of thermal radiation is smaller to:

Question # 13

The equation W = ________𝜟U represents:

Question # 14

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

Question # 15

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

Question # 16

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

Question # 17

The value of universal gas constant R is:

Question # 18

Brownian motion confirms the truth of :

Question # 19

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

Question # 20

The ideal gas obey gas law at:

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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 ratio of output work per cycle to input energy per cycle is called:
A. Entropy
B. Internal energy
C. Efficiency
D. None of these
2 When a gas is compressed:
A. Its internal energy decreases
B. Its temperature decreases
C. Its temperature increases
D. None of these
3 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
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 First law of thermodynamics is merely a statement of law of conversation of:
A. Energy
B. Angular momentum
C. Change
D. Linear momentum
6 The temperature scale approved in SI units is:
A. Calslus scale
B. Kelvin scale
C. Fehrenhelt scale
D. None of these
7 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)
8 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
9 No entropy change is associated with:
A. Isothermal
B. Adiabatic process
C. Isobaric process
D. None of them
10 If Cvdonotes molar specific heat at constant volume and𝜟 T is the change in temperature, then Cv𝜟T gives:
A. Volume
B. Pressure
C. Energy
D. Entropy

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