Question

In an experiment of simple pendulum,student made several observations for the period of Oscillation. His readings turned out to be 2.638, 2.565, 2.7/s and 2.80s. find:-
(1)mean period of oscillation
(2)absolute error in each reading
(3)mean absolute error
(4)fractional error
(5)percentage error​

Answer 1

Answer:

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