A) \[\frac{3}{4}K\]
B) \[\frac{4}{3}K\]
C) K
D) 4 K
Correct Answer: B
Solution :
By using \[K\propto \frac{1}{l}\] Since one fourth length is cut away so remaining length is \[\frac{3}{4}th\], hence k becomes \[\frac{4}{3}\]times i.e., \[k'=\frac{4}{3}x\].
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