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ICSE Class 10 Physics 2016 Paper

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What do you understand by the following statements :
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Question : 8 of 73
Marks: +1, -0
The specific heat capacity of lead is 130 Jkg−1 K−1\mathrm{Jkg}^{-1}\,\mathrm{K}^{-1}.
Solution:  
1 kg1\,\mathrm{kg} of lead requires 130 J130\,\mathrm{J} of heat energy to raise its temperature through 1 K1\,\mathrm{K}.
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