Question

2
The length of a pendulum is (1.5 + 0.01) m and the acceleration due to
gravity is taken into account as (9.8 + 0.1) m s?. Calculate the time period
of the pendulum with uncertainty in it.
(2.5 +0.8%)​

Answer 1

Answer:

Time period, T=2π

g

l

or g=

T

2

4π

2

l

The maximum percentage error

g

Δg

=

l

Δl

+2

∣

∣

∣

∣

∣

T

ΔT

∣

∣

∣

∣

∣

where

l

Δl

=2% and

T

ΔT

=3%

g

Δg

=2%+2×3%

=2%+6%=8%

Explanation:

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Answer 2

Answer:

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