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1. |
The force constants of two springs are \[{{K}_{1}}\] and \[{{K}_{2}}\]. Both are stretched till their elastic energies are equal. If the stretching forces are \[{{F}_{1}}\] and \[{{F}_{2}}\], then \[{{F}_{1}}:{{F}_{2}}\] is [MP PET 2002] |
A. | \[{{K}_{1}}:{{K}_{2}}\] |
B. | \[{{K}_{2}}:{{K}_{1}}\] |
C. | \[\sqrt{{{K}_{1}}}:\sqrt{{{K}_{2}}}\] |
D. | \[K_{1}^{2}:K_{2}^{2}\] |
Answer» D. \[K_{1}^{2}:K_{2}^{2}\] | |