Advertisements
Advertisements
Question
Who is telling the truth?
Joule is the unit of heat.
Advertisements
Solution
Sentence is telling the truth as joule is the unit of heat.
RELATED QUESTIONS
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?
Objects contract on heating.
Who is telling the truth?
Atoms of a solid are free.
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.
Nishigandha kept a vessel containing all the ingredients for making tea in a solar cooker. Shivani kept a similar vessel on a stove. Whose tea will be ready first and why?
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 : ______.
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.
