1. . The total kinetic energy of all the molecules of a body is called:
(A) Temperature
(B) Thermal energy
(C) Heat
(D) Calorie
2. . The average kinetic energy of all the molecules of a body is called:
(A) Heat
(B) Temperature
(C) Momentum
(D) Internal energy
3. . The unit of heat is:
(A) Kelvin
(B) Centigrade
(C) Fahrenheit
(D) Calorie
4. . One Calorie is equal to:
(A) 4.18 Joule
(B) 252 Joule
(C) 746 Watt
(D) 252 B.T.U
5. . Water freezes at:
(A) Heat of fusion
(B) Heat of vaporization
(C) Latent heat
(D) Specific heat
6. . Water freezes at:
(A) 0°F
(B) 32°F
(C) 273 K
(D) 0 K
7. . The S.I unit of temperature is:
(A) Fahrenheit
(B) Kelvin
(C) Centigrade
(D) Calorie
8. . 0 K is equal to:
(A) 273°C
(B) 273°F
(C) 273°C
(D) 273°F
9. . Normal human body temperature is:
(A) 37°F
(B) 15°C
(C) 37°C
(D) 98.6°C
10. . The instrument used to measure humidity is called:
(A) Barometer
(B) Thermometer
(C) Hygrometer
(D) Hydrometer
11. . Mercury is used as thermometric material because it has:
(A) Uniform thermal expansion
(B) Low freezing point
(C) Small heat capacity
(D) All the above property