The length of a simple pendulum which gives the same frequency as the compound pendulum, is
A. $${\text{kG}} + {l_1}$$
B. $${\text{k}}{{\text{G}}^2} + {l_1}$$
C. $$\frac{{{\text{k}}{{\text{G}}^2} + l_1^2}}{{{l_1}}}$$
D. $$\frac{{{\text{kG}} + l_1^2}}{{{l_1}}}$$
Answer: Option C

Join The Discussion