Q.

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

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a

(2/3)k

b

(3/2)k

c

3k

d

6k

answer is B.

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Detailed Solution

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