Advertisements
Advertisements
प्रश्न
Why is the base of a cooking pan generally made thick?
Why is the base of a cooking pan made thick and heavy?
उत्तर
By making the base of a cooking pan thick, its thermal capacity becomes large and it imparts sufficient heat energy at a low temperature to the food for proper cooking. Further, it keeps the food warm for a long time after cooking.
APPEARS IN
संबंधित प्रश्न
What is the principle of the method of mixtures?
Define the term heat capacity.
Name three factors on which heat energy absorbed by a body depends and state how does it depend on them.
Which one of the following statements about thermal conductivity is correct? Give reason.
Heat capacity C’= ______.
Water is used as a coolant because it ______.
What is the other name for heat capacity?
Compare heat capacity and specific heat capacity.
The graph given below shows heat energy supplied against change in temperature when no energy is lost to the surroundings. The slope of this graph will give:
- Calculate the heat capacity of a copper vessel of mass 200 g if the specific heat capacity of copper is 410 J kg-1 K-1.
- How much heat energy will be required to increase the temperature of the vessel in part (a) from 25°C to 35°C?