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A prismatic steel bar 25 cm long is subjected to axial compressive force of 2000 kg. For steel E = 2 x 106 kg/cm2. The ratio of strain energy when the cross-sectional area is 25 sq. cm to that when the cross-section area is 12.5 sq cm, would be

[A].	4	[B].	2
[C].	1	[D].	0.5
[E].	0.25

Answer: Option E

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