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A spring of force constant k is cut into two pieces such that one piece is double the length of the other. Then the long piece will have a force constant of

a
(2/3)k
b
(3/2)k
c
3k
d
6k

detailed solution

Correct option is B

Force constant  (k)∝1Length of spring⇒KK1=l1l=23ll⇒K1=32K.

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