- AHeat always flows from a system at lower temperature to a system at higher temperature.
- BThe mass of a system is altered when it is heated or cooled.
- CFor any exchange of heat, the heat gained by the cold system is greater than the heat lost by the hot system.
- DHeat gained = Heat lost.
Thermal Physics - Quiz
- AK = (C + 32) × 5/9
- BK = C - 273
- CK = C + 273
- DK = (C × 9/5) + 32
- AWhen two bodies are at the same temperature
- BWhen two bodies are at different temperatures
- CWhen two bodies have the same pressure
- DWhen two bodies have the same volume
- ATemperature measured in relation to absolute zero
- BTemperature measured in relation to room temperature
- CTemperature measured in relation to boiling point of water
- DTemperature measured in relation to melting point of ice
- AThe amount of heat energy required to rise the temperature of 1 gram of water through 1°C.
- BThe amount of heat energy required to rise the temperature of 1 kilogram of water through 1°C.
- CThe amount of heat energy required to boil 1 gram of water.
- DThe amount of heat energy required to freeze 1 gram of water.
- AIt is a measure of the increase in volume of a substance with temperature.
- BIt is a measure of the increase in area of a substance with temperature.
- CIt is a measure of the increase in length of a substance with temperature.
- DIt is a measure of the increase in density of a substance with temperature.
- AA balloon expanding when heated
- BA puddle evaporating in the sun
- CA metal rod increasing in length when heated
- DWater freezing and expanding in a container
- ASteel
- BGlass
- CCopper
- DAluminum
- AMass of the object
- BVolume of the object
- CNature of the object
- DShape of the object
- AThe amount of heat energy required to rise the temperature of 1 gram of water through 1°C.
- BThe amount of heat energy required to rise the temperature of 1 kilogram of water through 1°C.
- CThe amount of heat energy required to boil 1 kilogram of water.
- DThe amount of heat energy required to freeze 1 kilogram of water.
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Thermal Physics - Quiz
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- A. Heat always flows from a system at lower temperature to a system at higher temperature.
- B. The mass of a system is altered when it is heated or cooled.
- C. For any exchange of heat, the heat gained by the cold system is greater than the heat lost by the hot system.
- D. Heat gained = Heat lost.
Remarks:
Explanation:
For any exchange of heat, the heat gained by the cold system is equal to heat lost by the hot system. This is known as the law of conservation of energy and is represented by the equation Heat gained = Heat lost.
- A. K = (C + 32) × 5/9
- B. K = C - 273
- C. K = C + 273
- D. K = (C × 9/5) + 32
Remarks:
Explanation:
The relationship between Celsius and Kelvin temperature scales is given by the equation K = C + 273, where K is the temperature in Kelvin and C is the temperature in Celsius. This means that the temperature difference of 1°C is equal to that of 1K.
- A. When two bodies are at the same temperature
- B. When two bodies are at different temperatures
- C. When two bodies have the same pressure
- D. When two bodies have the same volume
Remarks:
Explanation:
Two or more physical systems or bodies are said to be in thermal equilibrium if there is no net flow of thermal energy between the systems. If two bodies are said to be in thermal equilibrium, then they will be at the same temperature.
- A. Temperature measured in relation to absolute zero
- B. Temperature measured in relation to room temperature
- C. Temperature measured in relation to boiling point of water
- D. Temperature measured in relation to melting point of ice
Remarks:
Explanation:
The temperature measured in relation to absolute zero using the kelvin scale is known as absolute scale temperature.
- A. The amount of heat energy required to rise the temperature of 1 gram of water through 1°C.
- B. The amount of heat energy required to rise the temperature of 1 kilogram of water through 1°C.
- C. The amount of heat energy required to boil 1 gram of water.
- D. The amount of heat energy required to freeze 1 gram of water.
Remarks:
Explanation:
A calorie is a unit of energy defined as the amount of heat energy required to raise the temperature of 1 gram of water by 1 degree Celsius.
- A. It is a measure of the increase in volume of a substance with temperature.
- B. It is a measure of the increase in area of a substance with temperature.
- C. It is a measure of the increase in length of a substance with temperature.
- D. It is a measure of the increase in density of a substance with temperature.
Remarks:
Explanation:
The coefficient of linear expansion is a measure of how much a material will expand or contract in length when its temperature changes. It is defined as the ratio of the change in length per unit length per degree Celsius of temperature change. Therefore, option C is the correct answer.
- A. A balloon expanding when heated
- B. A puddle evaporating in the sun
- C. A metal rod increasing in length when heated
- D. Water freezing and expanding in a container
Remarks:
Explanation:
Linear expansion refers to the increase or decrease in the length of an object due to changes in temperature. A metal rod increasing in length when heated is an example of linear expansion.
- A. Steel
- B. Glass
- C. Copper
- D. Aluminum
Remarks:
Explanation:
Explanation: Glass has a higher coefficient of linear expansion compared to other materials, which makes it more susceptible to thermal expansion.
- A. Mass of the object
- B. Volume of the object
- C. Nature of the object
- D. Shape of the object
Remarks:
Explanation:
The extent of thermal expansion in solids depends on the nature of the object, i.e., the type of material, crystal structure, and bonding between atoms.
- A. The amount of heat energy required to rise the temperature of 1 gram of water through 1°C.
- B. The amount of heat energy required to rise the temperature of 1 kilogram of water through 1°C.
- C. The amount of heat energy required to boil 1 kilogram of water.
- D. The amount of heat energy required to freeze 1 kilogram of water.
Remarks:
Explanation:
A kilocalorie is a unit of energy defined as the amount of heat energy required to raise the temperature of 1 kilogram of water by 1 degree Celsius.