Question

The measurement value of length of
a simple pendulum is 20 cm known
with 2 mm accuracy. The time for
50 oscillations was measured to be
40 s within 1 s resolution. Calculate
the percentage accuracy in the
determination of acceleration due to
gravity'g from the above measurement
Ans: (6%​

Answer 1

Answer:

T =2 pie L/g

0.02 +20+2×1/40

0.01 +0.05

0.06

error :g/g ×100

6 %

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