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[" (A) "2.014/gcm^(-1)" (B) "1.0147gcm^(...

[" (A) "2.014/gcm^(-1)" (B) "1.0147gcm^(-3)" (C) "3.0147gcm^(-3)" (D) "4.0147gcm^(-3)],[" When the load on a wire increased slowly from "2kg" wt.to "4kg" wt.the elongation increases from "0.6],[" mm to "1.00mm" .The work done during the extension of the wire willbe "],[[" (A) "1.72times10^(-3)J," (B) "3.72times10^(-3)J," (C) "13.72times10^(-3)J," (D) "8times10^(-3)J]]

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