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A spring whose unstretched length is l has a force constant k. The spring is cut into two pieces of unstretched lengths l1 and l2 where,l1=nl2 and n is an integer. The ratio k1/k2 of the corresponding force constants, k1and k2 will be:

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a

n

b

n2

c

1n2

d

1n

answer is D.

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Detailed Solution

Kl=constant k1k2=l2l1=l2nl2=1n

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A spring whose unstretched length is l has a force constant k. The spring is cut into two pieces of unstretched lengths l1 and l2 where,l1=nl2 and n is an integer. The ratio k1/k2 of the corresponding force constants, k1and k2 will be: