Thermal Physics Quiz | General Knowledge

Thermal Physics Quiz

1. What does the supply of energy depend upon?

A. mass of material
B. the change in temperature
C. the material itself
D. all of above

... Answer is D.
all of above

2. All substances have minimum internal energy at

A. absolute zero
B. 0°C
C. 0°F
D. 100K

... Answer is A.
absolute zero

3. Specific heat of aluminum when 26400 J of energy is supplied to 2 kg block and its temperature rises from 20 °C to 35 °C is

A. 1000 J kg-1 K-1
B. 70 J kg-1 K-1
C. 400 J kg-1 K-1
D. 880 J kg-1 K-1

... Answer is D.
880 J kg-1 K-1

4. Which of the following causes the gas to get hotter on compression?

A. increase in kinetic energy
B. decrease in kinetic energy
C. increase in potential energy
D. increase in atomic collisions

... Answer is A.
increase in kinetic energy

5. If there is no transfer of energy between two objects, then their temperature is

A. same
B. different
C. zero
D. infinite

... Answer is A.
same

6. Which of the following is average kinetic energy of gas molecules proportional to

A. internal energy
B. thermodynamic temperature
C. enthalpy
D. condensation point

... Answer is B.
thermodynamic temperature

7. Which properties of the following is Celsius Scale based on?

A. Mercury
B. Aluminum
C. Cesium
D. Water

... Answer is D.
Water

8. Energy required per unit mass of substance to raise temperature of that substance by 1 K is called

A. enthalpy
B. internal energy
C. specific heat capacity
D. temperature

... Answer is C.
specific heat capacity

9. Which of the following is the measure of average kinetic energy of molecules?

A. temperature
B. energy
C. internal energy
D. enthalpy

... Answer is A.
temperature

10. What is the energy of molecules of any substance called?

A. kinetic energy
B. potential energy
C. internal energy
D. chemical energy

... Answer is C.
internal energy

11. Due to evaporation from certain surface, its temperature

A. falls
B. increasesE
C. doesn't change
D. becomes zero

... Answer is A.
falls

12. What is change of liquid in to gas without boiling called?

A. vaporization
B. sublimation
C. boiling
D. evaporation

... Answer is D.
evaporation

13. On heating a solid, as the separation of atoms increases the potential energy

A. decreases
B. remains constant
C. increases
D. becomes zero

... Answer is C.
increases

14.Temperature can't be lower than

A. 0 °C
B. 0 °F
C. 0 K
D. 0 °R

... Answer is C.
0 K

15. When a substance is melted, its temperature doesn't rise because

A. energy is lost somewhere
B. energy is used to break the bonds
C. energy is used to make bonds
D. energy is absorbed to make bonds

... Answer is B.
energy is used to break the bonds