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प्रश्न
Who is telling the truth?
Joule is the unit of heat.
एक पंक्ति में उत्तर
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उत्तर
Sentence is telling the truth as joule is the unit of heat.
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क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
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| d. | Freezing point of water | iv. | 212∘F |
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Atoms of a solid are free.
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Match the following:
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| 2. | Electric current | b. | calorie |
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| 4. | Unit of heat | d. | Electric kettle |
| 5. | Human body temperature | e. | sun |
List and describe the sources of heat.
