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When a spring is compressed by a distanc...

When a spring is compressed by a distance .x., the potential energy stored is `U_(1)`. When it is further compressed by a distance 2x, the increases in potential energy is `U_(2)`. The ratio of `U_(1) : U_(2)` is

A

`1 : 7`

B

`1 : 4`

C

`1 : 8`

D

`1 : 3`

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The correct Answer is:
C
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