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प्रश्न
Fill in the following blank using suitable word:
Two bodies in contact are said to be in thermal equilibrium, if they have same ...........
उत्तर
Two bodies in contact are said to be in thermal equilibrium, if they have same temperature.
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संबंधित प्रश्न
1300 J of heat energy is supplied to raise the temperature of 6.5 kg of lead from 20° C to 40°C. Calculate the specific heat capacity of lead.
State the principle of calorimeter and define calorie and kilocalorie.
Some heat is given to 120 g of water and its temp. rises by 10 K. When the same amount of heat is given to 60 g of oil, its temp. rises by 40 K. The Sp. heat of water is 4200 J/kgK. Calculate:
(a) The amount of heat in joules given to water,
(b) The specific heat capacity of the oil.
Fill in the following blank using suitable word:
Ice at o0C is colder than ...........at o0C.
Which requires more heat: 1 g ice at 0°C or 1 g water at 0°C to raise its temperature to 10°C? Explain your answer.
A mass of 50 g of a certain metal at 150° C is immersed in 100 g of water at 11° C. The final temperature is 20° C. Calculate the specific heat capacity of the metal. Assume that the specific heat capacity of water is 4.2 J g-1 K-1.
What energy change would you Expect to take place in the molecules of a substance when it undergoes:
(i) a change in its temperature?
(ii) a change in itsstate without any change in its temperature?
Name the greenhouse gases.
Calculate the heat energy that will be released when 5.0 kg of steam at 100°C condenses to form water at 100°C. Express your answer in S.I. unit. (Specific latent heat of vaporization of steam is 2268 kj/kg.)
Name the material used for making a Calorimeter.
