A mass of material exists in its solid form at its melting temperature 1 0 ∘ C . The following processes then occur to the material: Process-1: An amount of thermal energy Q is added to the material a

Question

A mass of material exists in its solid form at its melting temperature $1 0^{\circ} C$ . The following processes then occur to the material:

Process-1: An amount of thermal energy $Q$ is added to the material and $\frac{3}{4}$ of the material melts.

Process-2: An identical additional amount of thermal energy $Q$ is added to the material and the material is now a liquid at $5 0^{\circ} C$ .

What is the ratio of the latent heat of fusion to the specific heat of the liquid for this material?

TestHub · Accepted Answer

Process-1: 4 3 ​ m L = Q Process-2 melts the remaining 4 1 ​ and heats the liquid by 4 0 ∘ C : Q = 4 m L ​ + m S × 40 4 3 m L ​ = 4 m L ​ + 40 m S 2 m L ​ = 40 m S S L ​ = 8 0 ∘ C

Physics - Heat & Thermo Question with Solution | TestHub

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