A simple pendulum's time period is T. If its length is increased by 4 times, its new time period will be
Q1. A simple pendulum's time period is T. If its length is increased by 4 times, its new time period will be
Answer: 2T
Explanation: T is proportional to √l, so if l is 4 times, T will be 2 times, using T = 2π √(l/g)