Advertisements
Advertisements
प्रश्न
m kg of a substance of specific heat capacity s J/kg °C is heated so that its temperature rises from θ1°C to θ2°C. Write down the expression for the heat Q supplied.
Advertisements
उत्तर
Heat supplied Q = mass × sp. heat capacity × rise in temperature
= m × s × (θ2 – θ1)
संबंधित प्रश्न
Give a mathematical relation between Heat Capacity and Specific Heat Capacity.
Give one example where high specific heat capacity of water is used as cooling purposes?
Explain the meaning of green house effect.
Solve the following problems:
Equal heat is given to two objects A and B of mass 1 g. Temperature of A increases by 3°C and B by 5°C. Which object has more specific heat? And by what factor?
Explain, why water is considered as best liquid for quenching thirst?
If substances A and B are liquids then which one would be more useful in car radiators?
Given: Specific heat capacity’A’ 3.8 J/g /K. Specific heat capacity ‘B’ 0.4 J/g /K.
Will the value of specific heat’capacity and specific latent heat of a substance change if the scale is °F instead of °C?
The molar specific heats of an ideal gas at constant pressure and constant volume are denoted by Cp and Cv respectively. If `gamma = "C"_"p"/"C"_"v"` and R is the universal gas constant, then Cp is equal to ______.
On supplying 100 µC of charge to a conductor, its potential rises by 5 V then capacity of the conductor is ______.
Conductors have generally high specific heat capacities and insulators have low specific heat capacities.
