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VITEEE 2019 Solved Paper
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© examsnet.com
Question : 30
Total: 125
A and B are two wires. The radius of A is twice that of B. They are stretched by the same load. Then the stress on B is
equal to that on A
four times that on A
two times that on A
half that on A
Validate
Solution:
Stress
=
Force
Area
Stress
∝
1
π
r
2
S
B
S
A
=
(
r
A
r
B
)
2
=
2
2
⇒
S
B
=
4
S
A
© examsnet.com
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