A solid material is supplied with heat at a constant rate. The temperature of the material is changing with the heat input as shown in the graph. Study the graph carefully and answer the following question.
What does the slope of DE represent?

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Solution

The slope of DE represents the inverse of thermal capacity of material in gaseous phase.

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Q. A solid material is supplied with heat at a constant rate. The temperature of the material is changing with the heat input as shown in the graph. Study the graph carefully and answer the following question.
The slope of OA

>

the slope of BC. What does this indicate?

A solid material is supplied with heat at constant rate. The temperature of the material is changing with the heat input as shown in the figure. Study the graph carefully and answer the following questions.

(i)

What do the horizontal regions

A B

and

C D

represent?

(i i)

C D = 2 A B

, what do you infer?

(i i i)

What does the slope

D E

represent?

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O A >

the slope of

B C

. What does this indicate?

2

AB, what do you infer?

A solid material is supplied with heat at a constant rate. The temperature of material is changing with heat input as shown in the figure. What does slope $D E$ represent :

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A solid material is supplied with heat at a constant rate. The temperature of the material is changing with the heat input as shown in the graph. Study the graph carefully and answer the following question.What does the slope of DE represent?

The slope of DE represents the inverse of thermal capacity of material in gaseous phase.

A solid material is supplied with heat at a constant rate. The temperature of the material is changing with the heat input as shown in the graph. Study the graph carefully and answer the following question.
What does the slope of DE represent?