Which of the following expressions correctly represents the elastic potential energy stored per unit volume in a wire when it is subjected to tensile stress $\sigma$ and strain $\varepsilon$ ?
A
0.5 * $\sigma$ * $\varepsilon$
B
$\sigma$ * $\varepsilon$
C
0.5 * $\sigma$ / $\varepsilon$
D
$\sigma$ / $\varepsilon$

Question

Which of the following expressions correctly represents the elastic potential energy stored per unit volume in a wire when it is subjected to tensile stress $ \sigma $ and strain $ \varepsilon $?

Accepted Answer

0.5 * $ \sigma $ * $ \varepsilon $

Answer

$ \sigma $ * $ \varepsilon $

Answer

0.5 * $ \sigma $ / $ \varepsilon $

Answer

$ \sigma $ / $ \varepsilon $

NEET Physics Elastic Behavior MCQ Question

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