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

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Solution

$A B$ represents a process when physical state changes from solid to liquid and the temperature remains unchanged. Since $P$ is a point between $A$ and $B$ , the material is partly solid are partly liquid.

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

AB represents a process when physical state changes from solid to liquid and the temperature remains unchanged. Since P is a point between A and B, the material is partly solid are partly liquid.

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

$A B$ represents a process when physical state changes from solid to liquid and the temperature remains unchanged. Since $P$ is a point between $A$ and $B$ , the material is partly solid are partly liquid.