a simple pendulum can be used to measure time.give reason Share with your friends Share 4 Ravi Gupta answered this time period of the simple pendulum is given by;T = 2πl/gwhere l is the length of the pendulum and other quantities are constant.If we adjuest the length so that we get time period t = 1 second then we can use the pendulum to measure the time. 1 View Full Answer