Work Power And Energy Ques 47
- 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
$(1999,2 M)$
(a) $(2 / 3) k$
(b) $(3 / 2) k$
(c) $3 k$
(d) $6 k$
Show Answer
Answer:
Correct Answer: 47.(b)
Solution:
Formula:
- $l _1=2 l _2 \Rightarrow l _1=\frac{2}{3} l$
Force constant $k \propto \frac{1}{\text { length of spring }}$
BETA
