The work per unit volume to stretch the length by 1% of a wire with constant cross sectional area   will be. Y=9×1011N/m2

(a) 9×1011 J                          (b) 4.5×107J

(c) 9×107J                            (d) 4.5×1011 J

Concept Videos :-

#2 | Stress
#3 | Strain
#4 | Hooks's Law & Young's Modules
#5 | Bulk Modules & Shear Modules
#6 | Solved Problems: Set 1
#7 | Extension in a Stretched Wire
#8 | Derivation for Energy Stored in a Wire
#12 | Solved Problems: Set 2
#13 | Solved Problems: Set 3

Concept Questions :-

Stress-strain

(b) U=12×Y×Strain2=12×9×1011×11002                                     =4.5×107 J

Difficulty Level:

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