Question

Three wires A, B and C, made of different
materials have same lengths and cross-sections,
They are stretched by the same force. It is
found that wire A is stretched the least and
comes back to its original length, when the
force is withdrawn. Wire B is stretched more
than A and also comes back to its original
length. Wire C is stretched most but does not
return to its original length. Which of the three
materials has the largest Young's modulus?
(A) A
(B) B
(C) C
(D) no conclusion can be drawn from the
given information​

Answer 1

Answer:

(a) A

Explanation:

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