A spring, whose unstretched length is l, has a force constant k. The spring is cut into two pieces of unstretched lengths llandl2, where, l1=nl2 and n is an integer. The ratio k1k2 of the corresponding force constants k1andk2 will be
A
n2
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B
1n2
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C
n
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D
1n
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Solution
The correct option is D1n Here, l1+l2=l and l1=nl2