Heat and Thermodynamics MCQ question and answer with solution

Section 1 Section 2 Section 3 Section 4

1.
Woollen clothes protect the body from cold because

A. it is a good conductor of heat

B. it is a poor conductor of heat

C. external heat rays enter into the body through the woollen cloth

D. it reflects heat

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2.
Zeroth Law of Thermodynamics leads to

A. the concept of temperature

B. the concept of specific heat

C. the concept of internal energy

D. None of the above

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3.
Which of the following does not require a medium?

A. Radiation

B. Convection

C. Conduction

D. None of the above

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4.
Absolute zero is defined as

A. the temperature at which all molecular motion ceases

B. at which water boils at 298 K

C. at which liquid Helium boils

D. at which the volume becomes zero

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5.
A liquid remains hot or cold for a long time in thermos flask because there is no loss or gain of heat by

A. conduction

B. convection and radiation

C. Both A and B

D. None of the above

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6.
In a refrigerator, the cooling system should always be

A. at the top

B. at the bottom

C. at the middle

D. can be anywhere

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7.
The boiling point of water is-

A. 100° Celsius

B. 50° Celsius

C. 0° Celsius

D. 10° Celsius

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8.
At which temperature, are fahrenheit and celsius equal?

A. -30°

B. -40°

C. -10°

D. -20°

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9.
In the season of summer, we experience a humid heat when weather

A. Start of summer

B. Middle of summer

C. Scorching weather

D. Humid weather

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10.
A cycle tyre bursts suddenly. This represents an

A. isothermal process

B. adiabatic process

C. isochoric process

D. isoboric process

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

1. Woollen clothes protect the body from cold because

Answer & Solution

2. Zeroth Law of Thermodynamics leads to

Answer & Solution

3. Which of the following does not require a medium?

Answer & Solution

4. Absolute zero is defined as

Answer & Solution

5. A liquid remains hot or cold for a long time in thermos flask because there is no loss or gain of heat by

Answer & Solution

6. In a refrigerator, the cooling system should always be

Answer & Solution

7. The boiling point of water is-

Answer & Solution

8. At which temperature, are fahrenheit and celsius equal?

Answer & Solution

9. In the season of summer, we experience a humid heat when weather

Answer & Solution

10. A cycle tyre bursts suddenly. This represents an

Answer & Solution

Read More Section(Heat and Thermodynamics)

1.
Woollen clothes protect the body from cold because

2.
Zeroth Law of Thermodynamics leads to

3.
Which of the following does not require a medium?

4.
Absolute zero is defined as

5.
A liquid remains hot or cold for a long time in thermos flask because there is no loss or gain of heat by

6.
In a refrigerator, the cooling system should always be

7.
The boiling point of water is-

8.
At which temperature, are fahrenheit and celsius equal?

9.
In the season of summer, we experience a humid heat when weather

10.
A cycle tyre bursts suddenly. This represents an