HEAT MCQs 12 min Score: 0 Attempted: 0/12 Subscribe 1. . The total kinetic energy of all the molecules of a body is called: (A) Temperature (B) Thermal energy (C) Heat (D) CalorieShow All Answers 2. . The average kinetic energy of all the molecules of a body is called: (A) Temperature (B) Heat (C) Momentum (D) Internal energyShow All Answers 3. . The unit of heat is: (A) Kelvin (B) Centigrade (C) Calorie (D) FahrenheitShow All Answers 4. . One Calorie is equal to: (A) 252 B.T.U (B) 252 Joule (C) 746 Watt (D) 4.18 JouleShow All Answers 5. . The amount of heat required to raise the temperature of a substance through one-degree centigrade is called its: (A) Heat of fusion (B) Specific Heat (C) Latent Heat (D) Heat of vaporizationShow All Answers 6. . Specific heat of water is equal to: (A) 1000 J/kg (B) 4200 J/kg (C) 4.2 J/kg (D) 420 J/kgShow All Answers 7. . The S.I unit of temperature is: (A) Fahrenheit (B) Centigrade (C) Kelvin (D) CalorieShow All Answers 8. . 0 K is equal to: (A) 273 °C (B) 273 °F (C) 273 °C (D) 273 °FShow All Answers 9. . According to Boyle’s law: (A) V ∝ T (B) V × P = constant (C) V ∝ P (D) V/P = constantShow All Answers 10. . According to Charles’ law: (A) V ∝ P (B) V ∝ T (C) V × T = constant (D) V/P = constantShow All Answers 11. . The relationship between the coefficient of linear expansion α and coefficient of volumetric expansion γ is: (A) γ = α (B) α = 3γ (C) γ = 2α (D) γ = 3αShow All Answers 12. . The instrument used to measure humidity is called: (A) Barometer (B) Hygrometer (C) Thermometer (D) HydrometerShow All Answers