The product of Young's modulus of the material of the wire with its cross-sectional area is equal to its length. Find the parameters representing x and y-axes of the curve as shown:

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The product of Young's modulus of the material of the wire with its cross-sectional area is equal to its length. Find the parameters representing x and y-axes of the curve as shown:

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Young's modulus and strain

stress and strain

load and increase in length

Yong's modulus and stress

answer is A.

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Detailed Solution

$Y = \frac{(\frac{W}{A})}{(\frac{∆ l}{l})} \Rightarrow ∆ l = (\frac{l}{YA}) W$

Given, YA = l So, $\frac{∆ l}{W} = 1$

Also from curve, its slope = tan 45° = 1

So, x and y axes represent W and $∆ l$

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