An experiment is performed to obtain the value of acceleration due to gravity g by using a simple pendulum of length L. Inthis experiment time for 100 oscillations is measured by using a watch of 1 second least count and the value is 90.0 seconds.The length L is measured by using a meter scale of least count 1 mm and the value is20.0 cm. The error in the determination of g would be1.7% .2.7% 4.4% 2.27%

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Q. In a simple pendulum experiment for determination of acceleration due to gravity

(g)

, time taken for

20

oscillations is measured by using a watch of

1

second least count. The mean value of time taken comes out to be

30 sec

. The length of pendulum is measured by using a meter scale of least count

1 mm

and the value obtained is

55.0 cm

. The percentage error in the determination of

g

is close to,

A students performs an experiment to determine the acceleration due to gravity (g) at a place using a simple pendulum. The length of the pendulum is 60 cm and the total time for 30 oscillations is 100s. What is maximum percentage error for the measurement g ? Given, least count for time $= 0.1 s$ and least count for length $= 0.1 c m$ .