SATHEE: Heat and Thermodynamics 1 Question 22

Heat and Thermodynamics 1 Question 22

22. The variation of temperature of a material as heat is given to it at a constant rate as shown in the figure. The material is in solid state at the point $O$ . The state of the material at the point $P$ is . . .

$(1985, 2 M)$

Analytical & Descriptive Questions

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Answer:

Correct Answer: 22. partly solid and partly liquid.

$\begin{array}{lll} 24. 0.495 k g & 25 . 12 g & 26 . \end{array} 09.8 m / s$

Solution:

$O$ to $A ⟶$ material is in solid state (only temperature is increasing).

$A$ to $B ⟶$ material is partially solid and partially in liquid state.

$B$ to $C ⟶$ material is in liquid state.

$C$ to $D ⟶$ material is partially liquid and partially in vapour state.

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Heat and Thermodynamics 1 Question 22

22. The variation of temperature of a material as heat is given to it at a constant rate as shown in the figure. The material is in solid state at the point O. The state of the material at the point P is . . .

Analytical & Descriptive Questions

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22. The variation of temperature of a material as heat is given to it at a constant rate as shown in the figure. The material is in solid state at the point $O$ . The state of the material at the point $P$ is . . .