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Which of the following relation is true ...

Which of the following relation is true ?

A

` Y = 2eta ( 1 - sigma)`

B

`Y = 2 eta (1 + 2 sigma)`

C

`Y = 2 eta ( 1 - sigma)`

D

`(1 + sigma) 2 eta = Y`

Text Solution

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The correct Answer is:
D
We know that
`Y = (1 + sigma) 2 eta`
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