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 glass
(C) Opaque
(D) All of the above
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 point of 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 are worn? It is due to they are…
(A) Reflectors
(B) Radiators
(C) Emitters
(D) Absorbers
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 first proposed the absolute scale of temperature?
(A) Celsius
(B) Joule
(C) Carnot
(D) Kelvin
12. What will be the Internal energy of the isothermal process…
(A) Decrease
(B) Increase
(C) Remain constant
(D) Change time to time