Advertisements
Advertisements
प्रश्न
Heat supplied to a solid change it into liquid. What is this change in the phase called?
Advertisements
उत्तर
Solid → liquid, melting
APPEARS IN
संबंधित प्रश्न
What amount of heat must be supplied to 2.0 x 10-2 kg of nitrogen (at room temperature) to raise its temperature by 45 °C at constant pressure? (Molecular mass of N2 = 28; R = 8.3 J mol-1 K-1.)
Why do the farmers fill their fields with water on a cold winter night?
An electric heater of power 600 W raises the temperature of 4.0 kg of a liquid from 10.0℃ to 15.0℃ in100 s. Calculate:
- the heat capacity of 4.0 kg of liquid,
- the specific heat capacity of the liquid.
Explain, why is water sprayed on roads in evening in hot summer?
The SI unit of specific heat is _______.
Write a short note.
Specific heat capacity
Conductors have generally high specific heat capacities and insulators have low specific heat capacities.
Two cylinders of equal height and radius are made of copper and aluminum. Which of them conducts heat faster?
Specific heat capacity of a substance X is 1900 Jkg-1°C-1 means ______.
