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

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

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

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

4. How heat is produced?

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

5. The mathematical form of charle’s law is

A. Vα1/2
B. VαT
C. PαV
D. PαT

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

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

7. Unit of pressure is…

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

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

9. Relationship between Heat and __________ is called thermodynamics.

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

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

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

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

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

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

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