Advertisements
Advertisements
प्रश्न
Water is used in hot water bottles for fomentation. Give a reason.
Advertisements
उत्तर
The reason is that water does not cool quickly due to its large specific heat capacity, so a hot water bottle provides heat energy for fomentation for a long time.
APPEARS IN
संबंधित प्रश्न
50 g of metal piece at 27°C requires 2400 J of heat energy so as to attain a temperature of 327°C . Calculate the specific heat capacity of the metal.
Heat energy is supplied at a constant rate to 100g of ice at 0 °C. The ice is converted into water at 0° C in 2 minutes. How much time will be required to raise the temperature of water from 0 °C to 20 °C? [Given: sp. heat capacity of water = 4.2 J g-1 °C-1, sp. latent heat of ice = 336 J g-1].
How will climate changes affect the various animal species?
The substances like water which have ........... Heat capacity warm up more slowly than substances like iron which have .......... heat capacity.
A solid of mass 80 g at 80°C is dropped in 400 g water at 10°C. If final temp. is 30°C, find the sp. heat cap. of the solid.
650 J of heat is required to raise the temp. of 0.25 kg of lead from 15°C to 35°C. Calculate the Sp. heat capacity of lead.
State the condition for the flow of heat energy from one body to another.
Why is specific heat capacity taken as a measure of thermal inertia?
Explain, why do sandy soils, get heated up quickly as compared to wet soils?
