Questions
If stress is numerically equal to twice that of young's modulus, the elongation will be
a
14 the original length
b
12 the original length
c
Equal to the original length
d
Twice the original length
detailed solution
Correct option is D
Y=Longitudinal StressLongitudinal strain ⇒Longitudinal Stress=Y×Longitudinal Strain⇒2Y=Y×Longitudinal Strain ⇒2=Longitudinal Strain⇒Δℓℓ=2 ⇒Δℓ=2ℓTalk to our academic expert!
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