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12.A uniform spring whose unstressed lenght is l has a force constant k.the Spring is cut into two peices of unstressed lenghts l' and l" where l'=nl" where n being an integer.now a mass m is made to oscillate with first spring. the time period of oscillation will be

Answer» 12.A uniform spring whose unstressed lenght is l has a force constant k.the Spring is cut into two peices of unstressed lenghts l' and l" where l'=nl" where n being an integer.now a mass m is made to oscillate with first spring. the time period of oscillation will be


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