Experiment :LEE’S DISC I want the Analysis for this experiment
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Experiment :LEE’S DISC
I want the Analysis for this experiment
Transcribed Image Text:Time (min)
2
4
6
8 10 12 14 16 18 20 22 24 26 28 30
Temperature
59 58 57 56 56 56 55 54 53 52 51 50 49 48 47 46
(°C)
Temperature vs Time graph
70
60
E 50
40
30
10
10
15
20
25
30
35
Time (min)
calculations:
de
46-56
-10
Slope=
dt
= -0.5
30-10
20
de
From the graph,
slope = Rate of cooling = -0.5
%3D
dt
The Thermal Conductivity constant may be calculated as
de
m x X-
xd
803g x0.380 j/g°c x 0.5 c/s x 1.70mm
9555.22mm2 x( 73°c-55°c)
k =
1.508 x 10-3
A(T,-T,)
Where c= Specific heat capacity of brass = 0.380 j/gs
%3!
Temperature (°C)
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