1) Why we use Mercury Thermometer? a) It is a poor heat conductor b) It has high boiling point c) It expands and contract uniformly when heated d) It stick to the glass wall of the capillary tube 2) How to increase the sensitivity of Mercury? a) Capillary tube with a finer bore b) A smaller tube c) A glass bulb with a thinner wall d) A glass bulb with a ticker wall e) A bigger tube 3) Large specific heat capacity a) Require more heat energy to raise the temperature of 1 kg of object by 1°C b) Require less heat energy to raise the temperature of 1 kg of object by 1°C 4) Relationship between mass and heat capacity a) Mass of object increase, heat capacity increase b) Mass of object decrease, heat capacity decrease c) No relationship between mass and heat capacity 5) Potential energy converted to heat energy a) mgh = mcθ b) Pt = mcθ c) 1/2 mv2 = mcθ d) 6) Electrical energy converted to heat energy a) mgh = mcθ b) Pt = mcθ c) 1/2 mv2 = mcθ 7) Specific Latent Heat a) the amount of heat required to change the phase of 1 kg of the substance at a constant temperature b) the amount of heat energy required to raise the temperature of 1 kg of object by 1°C c) The amount of heat energy needed to increase the temperature of an object by 1 °C 8) The temperature of a substance is directly proportional to the average kinetic energy of its particles a) Correct b) Incorrect

Chapter 4 4.1 - 4.3

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