1.

A spring of force constant k is cut into lengths of ratio 1 : 2 : 3. They are connected in series and the new force constant is k’. Then they are connected in parallel and force constant is k”. Then k’ : k” is :

A. 1 : 6
B. 1 : 9
C. 1 : 11
D. 1 : 14
Answer» D. 1 : 14


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