The time period of a simple pendulum is 2 sec. If its length is increased by 4 times, then its period becomes ___________
The time period of a simple pendulum is 2 sec. If its length is increased by 4 times, then its period becomes ___________ Correct Answer 4 sec
T∝√l, T‘∝√4l T‘/T=2 T‘=2T=2×2=4 sec.