Advertisements
Advertisements
प्रश्न
Define the term calorie. How is it related to joule (the S.I. unit of heat)?
लघु उत्तरीय
Advertisements
उत्तर
One calorie of heat is the heat energy required to raise the temperature of 1 g of water from 14.5°C to 15.5°C.
1 calorie = 4.186 J
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Match the following
| Column A | Column B |
| 1. mercury | 1. insulator |
| 2. wood | 2. water from 0°C to 4°C |
| 3. Aluminum | 3.absorbs |
| 4. contracts | 4.conductor |
| 5.black surface | 5. Thermometer |
Name the mode of transfer of heat in the following :
(a) solid,
(b) liquid,
(c) gas
(d) vacuum
What will absorb heat?
Water
1 calorie is 4.81 joules.
The unit of heat and temperature are the same.
We feel the heat on our body when the ______ shines.
We can absorb heat by rubbing two surfaces of some substances.
A marble tile would feel cold as compared to a wooden tile on a winter morning because the marble tile ______.
Warm air is ______.
Heat gained by a body depends upon which factors?
