A student uses a simple pendulum of exactly `1m` length to determine `g`, the acceleration
Channel: Doubtnut
Date: 12/07/2020

A student uses a simple pendulum of exactly `1m` length to determine `g`, the acceleration due ti gravity. He uses a stop watch with the least count of `1sec` for this and record `40 seconds` for `20` oscillations for this observation, which of the following statement `(s) is  (are)` true?