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Two similar springs `P` and `Q` have spring constants `K_(P)` and `K_(Q)`(`K_(P)gtK_(Q))`. They are stretched first by the same amount `(` case `a)`,then by the same force `(` case `b)`. The work done by the spring `W_(P)` and `W_(Q)` are related as, in case `(a)` and case `(b)`, respectively.

A

`W_(P)=W_(Q),W_(P)=W_(Q)`

B

`W_(P)gtW_(Q),W_(P)gtW_(Q)`

C

`W_(P) lt W_(Q),W_(P)ltW_(Q)`

D

`W_(P)=W_(Q),W_(P)gtW_(Q)`

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