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प्रश्न
Who is telling the truth?
Atoms of a solid are free.
उत्तर
Sentence is lying as atoms of a solid are closely packed because of force attraction between them.
संबंधित प्रश्न
Whom should I Pair with?
Group A | Group B | ||
a. | Temperature of a healthy human body | i. | 296 K |
b. | Boiling point of water | ii. | 98.6°F |
c. | Room temperature | iii. | 0°C |
d. | Freezing point of water | iv. | 212∘F |
Who is telling the truth?
Joule is the unit of heat.
Who is telling the truth?
The average kinetic energy of atoms in a hot object is less than the average kinetic energy of atoms in a cold object.
The heat contained in a substance is the measures of the ______ kinetic energy of atoms in the substance.
Steam is formed when heat is released from water.
Analogy
Total Kinetic Energy of molecules: Heat :: Average Kinetic Energy : ______.
Make a list of electrical equipments at home which we get heat from.
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.