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When two springs \( \mathrm{A} \) and \( \mathrm{B} \) with force constants \( \mathrm{k}_{\mathrm{A}} \) and \( \mathrm{k}_{\mathrm{B}} \) are stretched by the same force, then the respective ratio of the work done on them is
(a) \( \mathrm{k}_{\mathrm{B}}: \mathrm{k}_{\mathrm{A}} \)
(b) \( \mathrm{k}_{\mathrm{A}}: \mathrm{k}_{\mathrm{B}} \)
(c) \( \mathrm{k}_{\mathrm{A}} \mathrm{k}_{\mathrm{B}}: 1 \)
(d) \( \sqrt{\mathrm{k}_{\mathrm{B}}}: \sqrt{\mathrm{k}_{\mathrm{A}}} \)
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