🎴 Flashcard Mode
Elasticity - class-XI
Card1 / 31
Mastered0
Review0
QuestionClick to flip
The elastic energy stored per unit volume in a stretched wire is
AnswerClick to flip back
A
$\cfrac { 1 }{ 2 } \cfrac { { \left( stress \right) }^{ 2 } }{ Y } $
💡 Explanation:
The elastic energy stored per unit volume in a stretched wire is
$u=\cfrac { 1 }{ 2 } \times stress\times strain=\dfrac { { (stress) }^{ 2 } }{ 2Y } \left( \because Y=\cfrac { stress }{ strain } \right) $