Advertisements
Advertisements
प्रश्न
Define the term calorie. How is it related to joule (the S.I. unit of heat)?
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
APPEARS IN
संबंधित प्रश्न
Select the correct alternative
A thermometer uses
Draw a labelled diagram of a thermo flask. Explain how the transfer of heat by conduction, convection and radiation is reduced to a minimum in it.
Define the term heat.
Find the odd one out and give its explanation.
The process of converting a liquid into a solid is called ________.
The amount of heat gained by a substance is equal to the product of its mass and latent heat.
How can heat energy be generated?
The SI unit of heat energy is ______.
Which of the following is true?
Explain the following effects of heat.
Chemical changes
