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AP POLYCET PHYSICS Multiple Choice Questions (MCQs)

AP POLYCET Physics - Heat MCQs

AP POLYCET Physics - Heat: Multiple Choice Questions

The unit of heat in the SI system is:
- a) Joule
- b) Calorie
- c) Fahrenheit
- d) Kelvin
Answer: a
The amount of heat required to raise the temperature of 1 gram of water by 1°C is called:
- a) Specific heat
- b) Calorie
- c) Joule
- d) Heat capacity
Answer: b
What is the process of heat transfer in solids called?
- a) Conduction
- b) Convection
- c) Radiation
- d) Evaporation
Answer: a
Which of the following is a poor conductor of heat?
- a) Copper
- b) Aluminum
- c) Wood
- d) Silver
Answer: c
In which mode of heat transfer does the medium itself move?
- a) Conduction
- b) Convection
- c) Radiation
- d) None of the above
Answer: b
The boiling point of water on the Kelvin scale is:
- a) 100 K
- b) 273 K
- c) 373 K
- d) 373°C
Answer: c
What is the primary reason for the greenhouse effect?
- a) Conduction
- b) Reflection of heat
- c) Radiation
- d) Absorption of infrared rays
Answer: d
Which law states that "good absorbers of heat are also good radiators"?
- a) Stefan’s Law
- b) Kirchhoff’s Law
- c) Wien’s Law
- d) Newton’s Law of Cooling
Answer: b
The device used to measure the specific heat capacity of a substance is called:
- a) Thermometer
- b) Calorimeter
- c) Barometer
- d) Manometer
Answer: b
Heat energy transferred by electromagnetic waves is called:
- a) Conduction
- b) Convection
- c) Radiation
- d) Absorption
Answer: c
Which property of water is used in hot water bags?
- a) High boiling point
- b) High specific heat
- c) Low melting point
- d) Transparency
Answer: b
The temperature at which the vapor pressure of a liquid becomes equal to atmospheric pressure is called:
- a) Freezing point
- b) Boiling point
- c) Sublimation point
- d) Melting point
Answer: b
What is the relation between Celsius and Kelvin scales?
- a) K = C + 273
- b) K = C - 273
- c) K = 273 - C
- d) K = C
Answer: a
The amount of heat energy required to change 1 kg of a substance from solid to liquid at constant temperature is:
- a) Latent heat of fusion
- b) Latent heat of vaporization
- c) Heat capacity
- d) Specific heat
Answer: a
The heat required to raise the temperature of a body by 1°C is called:
- a) Specific heat
- b) Heat capacity
- c) Thermal energy
- d) Latent heat
Answer: b

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AP POLYCET PHYSICS Multiple Choice Questions (MCQs)

AP POLYCET Physics - Heat: Multiple Choice Questions

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