Q. A spring with 10 coils has spring constant $k.$ It is exactly cut into two halves, then each of these new springs will have a spring constant
A) $k/2$
B) $3k/2$
C) $2k$
D) $3k$
Explanation
(c) $K \propto \frac{1}{l} \Rightarrow Kl = K^{'} \times \frac{l}{2} \Rightarrow K^{'} = 2K$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.