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Byju's Answer
Standard XII
Physics
Stress-Strain Graph
A copper wire...
Question
A copper wire of
1
m
m
diameter is stretched by applying a force on
10
N
. Find the stress in the wire.
A
1.273
×
10
7
N
/
m
2
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B
1.373
×
10
7
N
/
m
2
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C
1.473
×
10
7
N
/
m
2
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D
1.573
×
10
7
N
/
m
2
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Solution
The correct option is
A
1.273
×
10
7
N
/
m
2
given diameter = 1mm
⇒
radius of wire
=
0.5
×
10
−
3
m
=
5
×
10
−
4
m
Force applied
=
10
N
∴
Stress
=
10
π
×
25
×
10
−
8
=
0.1273
×
10
8
Stress
=
1.273
×
10
7
N
/
m
2
Suggest Corrections
0
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