Consider a rectangular sheet of solid material of length 
and width 
. The coefficient of linear expansion is 
at room temperature and one atmospheric pressure. The mass of sheet 
and the specific heat capacity 
. If the amount of heat supplied to the material is 
then change in area of the rectangular sheet is:
Text Solution
Verified by ExpertsA
Calculate the Change in Temperature:
Use the formula:
Given:
Substitute the values to find 
:
Solving for 
:
Calculate the Change in Area:
The change in area 
is calculated using:
Where:
is the original area of the sheet.
First, calculate the original area 
:
Now, substitute into the formula for 
:
Simplifying:
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