Question

nereguvitational acceleration by using simple pendulum, length of pendulum (08
ample theme *12) Find percentage error in measurement of g
(D) 21.12%
(Q 104
(D) 101
Physics By J.GSIR​

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:

I hope it may help you