Which of the following relation is true? | Physics | SolveeIt

Which of the following relation is true?

$Y = 2\eta\, \left(1 - 2\sigma\right)$

$Y = 2\eta\, \left(1 + 2\sigma\right)$

$Y = 2\eta\, \left(1 - \sigma\right)$

$\left(1 + 2\sigma\right) \,2\eta = Y$

Answer

$\left(1 + 2\sigma\right) \,2\eta = Y$

Explanation

We know that
$Y=(1+\sigma) 2 \eta$

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