Advertisements
Advertisements
प्रश्न
The temperature of a lead piece of mass 400 g rises from 20°C to 50°C when 1560 J of heat is supplied to it. Calculate: Heat capacity of lead piece.
उत्तर
Heat capacity of lead piece
= `"Heat supplied"/"Rise in temperature" = (1560 "J")/(50 - 20^circ "C")` = 52 J/° C.
APPEARS IN
संबंधित प्रश्न
Define heat capacity and state its SI unit.
Write the approximate value of specific heat capacity of water in S.I. unit.
The ratio of specific heat capacity to molar heat capacity of a body _____________ .
Define heat capacity and state its units.
If substances A and B are liquids then which one would be more useful in car radiators?
Given: Specific heat capacity’A’ 3.8 J/g /K. Specific heat capacity ‘B’ 0.4 J/g /K.
A certain amount of heat Q will warm 1 g of material X by 3°C and 1 g of material Y by 4°C. Which material has a higher specific heat capacity?
A piece of lead weighing 500 g gives out 1200 calories of heat when it is cooled from 100° C to 20° C. Find its specific heat.
J/Kg °C is the unit of specific heat capacity.
Match the following:
Column A | Column B | ||
1. | Specific heat capacity of water | a. | 0°C |
2. | Latent heat of fusion of ice | b. | 2260 J/g |
3. | Latent heat of vaporization of water | c. | 100°C |
4. | The melting point of iced | d. | 4.2 J/g°C |
5. | The boiling point of water | e. | 336 J/g |
Give one example where high specific heat capacity of water is used as heat reservoir.