student performs an experiment for determination of 'g' and records 4 observations. the error in length 'L' is 'l', time 'T' is 't' and n is number of times the observation was taken. the measurement of 'g' was most accurate for which observation? give reason. *
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Answer:
we have to calculate the error in gravity using the formulae
g
Δg
=
l
Δl
+
nt
2Δt
where g = acceleration due to gravity
l = length
n = number of oscillations
So, after hit and trial method we can say that with option D we will get the least erro
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