हिंदी

Heat Supplied to a Solid Changes It into Liquid. What is this Change in Phase Called?

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प्रश्न

Heat supplied to a solid change it into liquid. What is this change in the phase called?

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उत्तर

Solid → liquid, melting

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2017-2018 (March) Set A

संबंधित प्रश्न

The temperature of 170 g of water at 50°C is lowered to 5°C by adding a certain amount of ice to it. Find the mass of ice added.

Given: Specific heat capacity of water = 4200 J kg-1 °C-1 and specific latent heat of ice = 336000 J kg-1.


Differentiate between heat capacity and specific heat capacity.


Write the approximate value of specific heat capacity of water in S.I. unit.


Without green house effect, the average temperature of earth’s surface would have been:

(a) – 18℃

(b) 33℃

(c) 0℃

(d) 15℃


Give two reasons as to why copper is preferred over other metals for making calorimeters.


Discuss how high specific heat capacity of water helps in formation of land and sea breeze.


Two uniform brass rods A and B of length land 2l and radii 2r and r respectively are heated to the same temperature. The ratio of the increase in the volume ofB to that of A is ____________.


If 'f' is the number of degrees of freedom of a molecule of a gas and ratio of molar specific heats of a gas, ϒ = 1 + `2/"f"` where ϒ = Cp/Cv. The ratio of 'ϒ' for monoatomic gas to 'ϒ' for (rigid) f diatomic gas is ______.


The molar specific heat of an ideal gas at constant pressure and constant volume is 'Cp' and 'Cv' respectively. If 'R' is the universal gas constant and the ratio 'Cp' to 'Cv' is 'γ' then CV = ______.


The molar specific heats of an ideal gas at constant pressure and volume are denoted by Cp and Cv, respectively. If `gamma = "C"_"p"/"C"_"v"` and R is the universal gas constant, then Cv is equal to ______.


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