Question

At a certain place the acceleration due to gravity is determined using a simple pendulum . the length the pendulumis 25 .0 cm and a stopwatch with least count 1s measurement the time taken by the pendulum for 40 oscillations to be 50s.the accuracy in the measurement of g is

Answer 1

Answer:

∆T=1sec

T=50sec

∆l=0.1cm

l=25cm

apply the formula .....

and the answer is 4.4%