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For different values of L, we get differ...

For different values of `L`, we get different values of `T^2`. The graph between `L` versus `T^2` ia as shown in figure. Find the value of 'g' from the given graph.(Take `(pi)^2= 10)`.
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Text Solution

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From the equation, `T=2pi sqrt(L)/(g)`
we get, `L=((g)/(4pi^2)) T^2 rArr LpropT^2`
I,e. L versus `T^2` graph is a straight line passing through origin with slope` = g/(4pi^2)`
`:.` Slope`= tan theta= g/(4pi^2)` or `g=(4pi^2)tan theta`
`=(4xx10xx0.98)/4=9.8 m//s^2`.
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