Advertisements
Advertisements
प्रश्न
Heat capacity of a body is the ______.
विकल्प
energy needed to melt a body without change in its temperature
energy needed to raise the temperature of a body by 1°C
increase in volume of the body when its temperature increases by 1°C
total amount of internal energy that is constant
उत्तर
Heat capacity of a body is the energy needed to raise the temperature of a body by 1°C.
APPEARS IN
संबंधित प्रश्न
Why is the base of a cooking pan generally made thick?
Name three factors on which heat energy absorbed by a body depends and state how does it depend on them.
The S.I. unit of heat capacity is ______.
Convection is the process by which the thermal energy flows in solids.
Which one of the following statements about thermal conductivity is correct? Give reason.
Define thermal capacity.
Metals like copper and aluminum are good conductors of heat and electricity.
Thermal capacities of substances A and B are same. If mass of A is more than mass of B then:
Which substance will show greater rise in temperature if the same amount of heat is supplied to both?
A solid of mass 60 g at 100°C is placed in 150 g of water at 20°C. The final steady temperature is 25°C. Calculate the heat capacity of solid.
[sp. heat capacity of water = 4.2 J g-1 K-1]
- 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?