Advertisements
Advertisements
प्रश्न
During the phase change does the average kinetic energy of the molecules of the substance increase?
Advertisements
उत्तर
No
APPEARS IN
संबंधित प्रश्न
Two metallic blocks P and Q of masses in ratio 2: 1 are given the same amount of heat. If their temperature rise by the same amount, compare their specific heat capacities.
Give three reasons for the increase of green house gases.
(b) 2000 J of heat energy is required to raise the temperature of 4 kg of a
metal by 3°c. Which expression gives the specific heat capacity of the metal?
Water boils at 120 °C in a pressure cooker. Explain the reason.
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.
Calculate the ratio of two specific heats of polyatomic gas molecules.
When a uniform rod is heated, which of the following quantity of the rod will increase
On supplying 100 µC of charge to a conductor, its potential rises by 5 V then capacity of the conductor is ______.
Match the following
| 1. | Specific heat capacity | a. | Dewar bottle |
| 2. | Calorimeter | b. | Lavoisier and Simon |
| 3. | Vacuum flask | c. | J Kg-1 K-1 |
| 4. | Ice – calorimeter | d. | Heat capacity |
The specific heat capacity of water is ______.
