Heat and Thermodynamics MCQ question and answer with solution

Section 1 Section 2 Section 3 Section 4

1.
At boiling point of liquids, its

A. temperature increases

B. atmospheric pressure increases

C. temperature remains constant

D. vapour pressure decreases

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2.
Mud houses are cooler in summers and warmer in winters as compared to brick houses because

A. mud is a good conductor

B. mud is a bad conductor

C. mud is a poor insulator

D. evaporation of water causes cooling in summers and sunlight coming through holes causes warming in winters

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3.
Water is used in a hot water bag because

A. it is easily available

B. it has high specific gravity

C. it has high specific heat

D. it has a liquid substance

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4.
Transfer of heat is mainly due to conduction, convection and radiation in-

A. Insulated pipes carrying hot water

B. In the refrigerator

C. In boiler furnaces

D. Actual condensation in a condenser is the transfer of heat

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5.
Temperature reaches zero absolute value-

A. -273 K temperature

B. In a state of vacuum

C. At the center of the earth

D. When the molecular speed of the system decreases to zero

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6.
Assertion and Reason are given below.
Assertion (A): We prefer the white dress in winters.
Reason (R): White dresses are good reflectors of heat.
Which one among these is the right answer.

A. Both (A) and (R) are true and (R) is the correct explanation of (A)

B. Both (A) and (R) are true, but (R) is not the correct explanation of (A)

C. (A) is true, but (R) is false

D. (A) is false, but (R) is true

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7.
For which of the following process is the entropy change zero?

A. Isobaric

B. Isothermal

C. Adiabatic

D. None of these

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8.
The temperature which has the same reading on both Fahrenheit and Celsius scales is

A. 40°

B. -40°

C. -34°

D. -140°

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Heat and Thermodynamics MCQ question and answer with solution | Physics Gk MCQs

1. At boiling point of liquids, its

Answer & Solution

2. Mud houses are cooler in summers and warmer in winters as compared to brick houses because

Answer & Solution

3. Water is used in a hot water bag because

Answer & Solution

4. Transfer of heat is mainly due to conduction, convection and radiation in-

Answer & Solution

5. Temperature reaches zero absolute value-

Answer & Solution

6. Assertion and Reason are given below. Assertion (A): We prefer the white dress in winters. Reason (R): White dresses are good reflectors of heat. Which one among these is the right answer.

Answer & Solution

7. For which of the following process is the entropy change zero?

Answer & Solution

8. The temperature which has the same reading on both Fahrenheit and Celsius scales is

Answer & Solution

Read More Section(Heat and Thermodynamics)

1.
At boiling point of liquids, its

2.
Mud houses are cooler in summers and warmer in winters as compared to brick houses because

3.
Water is used in a hot water bag because

4.
Transfer of heat is mainly due to conduction, convection and radiation in-

5.
Temperature reaches zero absolute value-

6.
Assertion and Reason are given below.
Assertion (A): We prefer the white dress in winters.
Reason (R): White dresses are good reflectors of heat.
Which one among these is the right answer.

7.
For which of the following process is the entropy change zero?

8.
The temperature which has the same reading on both Fahrenheit and Celsius scales is