Question

in the expression for time period T of simple
pendulum T = 20,
if the percentage error in
g
time period T and length I are 2% and 2%
respectively then percentage error in acceleration
due to gravity g is equal to
(1) 8%
(2) 2%
(3) 4%
(4) 6%
​

Answer 1

Answer:

answer is 6% apply T=√l/g