Advertisements
Advertisements
Question
Who is telling the truth?
Atoms of a solid are free.
Advertisements
Solution
Sentence is lying as atoms of a solid are closely packed because of force attraction between them.
RELATED QUESTIONS
Who is telling the truth?
Joule is the unit of heat.
Who is telling the truth?
Objects contract on heating.
The heat contained in a substance is the measures of the ______ kinetic energy of atoms in the substance.
Explain why rails have gaps at specific distances.
At 15∘C the height of Eifel tower is 324 m. If it is made of iron, what will be the increase in length in cm, at 30∘C?
Steam is formed when heat is released from water.
Analogy
Total Kinetic Energy of molecules: Heat :: Average Kinetic Energy : ______.
When ______ flows through a conductor, heat energy is produced.
Match the following:
| 1. | Source of heat | a. | heat energy |
| 2. | Electric current | b. | calorie |
| 3. | Gasoline | c. | 37°C |
| 4. | Unit of heat | d. | Electric kettle |
| 5. | Human body temperature | e. | sun |
List and describe the sources of heat.
