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Standard X

Physics

Phase Change

The specific ...

Question

The specific latent heat of fusion of lead is 5.9 kcalkg^-1. A block of lead at its melting point needs 177 kcal of heat for complete melting. What is the mass of the lead?

60 kg

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30 kg

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35 kg

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6 kg

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Solution

The correct option is B
30 kg

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The specific latent heat of fusion of lead is 5.9 kcalkg-1. A block of lead at its melting point needs 177 kcal of heat for complete melting. What is the mass of the lead?

The correct option is B 30 kg

The specific latent heat of fusion of lead is 5.9 kcalkg^-1. A block of lead at its melting point needs 177 kcal of heat for complete melting. What is the mass of the lead?

The correct option is B
30 kg