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प्रश्न
Name the S.I. unit of heat.
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उत्तर
S.I. unit of heat is joule (symbol J).
संबंधित प्रश्न
What do you understand by the following statements:
The heat capacity of the body is 60JK-1.
Differentiate between heat capacity and specific heat capacity.
Describe a method to determine the specific heat capacity of a solid, like a piece of copper ?
A heater of power P watt raises the temperature of m kg of a liquid by Δt K in time t s. Express
the specific heat capacity of liquid in terms of above data.
State the condition for the flow of heat energy from one body to another.
Ice-cream at 0°C feels colder than water at 0°C. Give reason for this observation.
Water falls from a height of 50 m. Calculate the rise in the temperature of water when it strikes the bottom.
(g = 10 ms-2; Specific heat capacity of water = 4200 J / kg°C)
Write the name.
The amount of heat absorbed at constant temperature by unit mass of a liquid to convert into gaseous phase.
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 ______.
