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Heat and Thermodynamic Physics MCQs

Heat and Thermodynamic Physics MCQs

1. In which terms expressed hotness or coldness of an object:

A. Temperature
B. Heat
C. Chemical energy
D. Thermal energy

Answer - Click Here:
A

2. Why mercury is used as a thermometric substance, it is because of:

A. Specific heat is low
B. does not stick to a glass
C. Opaque
D. All of the above
E. None of these

Answer - Click Here:
D

3. What is the human body temperature on the Kelvin scale?

A. 273 k
B. 345 k
C. 123 k
D. None of these

Answer - Click Here:
D

4. How heat is produced?

A. By friction
B. By rubbing
C. All of the above
D. None of these

Answer - Click Here:
C

5. The mathematical form of charle’s law is

A. Vα1/2
B. VαT
C. PαV
D. PαT

Answer - Click Here:
B

6. Melting of point Ice is _____ when the pressure is increased:

A. Remains unchanged
B. Increase
C. Raises first and lower
D. Decrease

Answer - Click Here:
D

7. Unit of pressure is…

A. Volume
B. One pascal
C. Weight
D. Force

Answer - Click Here:
B

8. Why on hot days white clothes become worn it is due to they are…

A. Reflectors
B. Radiators
C. Emitters
D. Absorbers
E. None of these

Answer - Click Here:
A

9. Relationship between Heat and __________ is called thermodynamics.

A. Solid
B. Liquid
C. Other forms of energy
D. Gas

Answer - Click Here:
C

10. When the pressure of the system remains constant, it is called ________ process.

A. Isobaric
B. Isothermal
C. Adiabatic
D. Isochoric

Answer - Click Here:
A

11. Who was first proposed the absolute scale of temp?

A. Celsius
B. Joule
C. Carnot
D. Kelvin
E. Robert

Answer - Click Here:
D

12. What will be the Internal energy of the isothermal process…

A. Decrease
B. Increase
C. Remain constant
D. Change time to time

Answer - Click Here:
B