Advertisements
Advertisements
प्रश्न
Define the term calorie. How is it related to joule (the S.I. unit of heat)?
लघु उत्तरीय
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
Name the mode of transfer of heat in the following :
(a) solid,
(b) liquid,
(c) gas
(d) vacuum
What will absorb heat?
Wooden board
A wooden knob and a metal latch on a door are both at room temperatures. Explain, why the latch is colder to touch.
The unit of heat and temperature are the same.
A device in which the loss of heat due to conduction, convection and radiation is minimized is ______.
Ice is kept in a double-walled container. Why?
The sun gives us light and heat.
We can absorb heat by rubbing two surfaces of some substances.
In the past, people used to rub two wooden pieces together to light fire.
Which of the following is true?
