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प्रश्न
What do you understand by the following statements:
The specific heat capacity of lead is 130 Jkg-1K-1.
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उत्तर
Specific heat capacity is the amount of heat energy required to raise the temperature of unit mass of a substance through 1°C or 1 K. Thus, 130 Jkg-1K-1 of heat energy required to raise the temperature of unit mass of lead through 1 K.
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संबंधित प्रश्न
A solid of mass 50 g at 150 °C is placed in 100 g of water at 11 °C when the final temperature recorded is 20 °C. Find the specific heat capacity of the solid. (specific heat capacity of water = 4.2 J/g °C)
Write the approximate value of specific heat capacity of water in S.I. unit.
Give one example where high specific heat capacity of water is used as cooling purposes?
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?
Solve the following problem.
What is the specific heat of metal if 50 cal of heat is needed to raise 6 kg of the metal from 20°C to 62 °C?
Explain why the specific heat capacity at constant pressure is greater than the specific heat capacity at constant volume.
Heat is applied to a rigid diatomic gas at constant pressure. The ratio ΔQ : ΔU : ΔW is ______.
The specific heat capacity of water is ______.
The specific heat capacity of ______ is maximum.
