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CBSE Class 11-science Answered

The stress versus strain graphs for two materials A and B are shown in the figure.  The graphs are to the same scale. (i)  Which material has greater Young's modulus? (ii)  Which material is more ductile? (iii)  Which is more brittle? (iv)  Which of the two is the stronger material?  
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
answered-by-expert Expert Answer

(i)   A, because for producing the same strain, more stress is required in case of the material A.

(ii)  A, because it has a greater plastic range.

(iii)  B, because it has a lesser plastic range.

(iv)  A is stronger as it can bear greater stress before the wire of this material will break.

 

Answered by | 04 Jun, 2014, 03:23: PM
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