Question

Check the correction of The=2π√l\g

Answer 1

T equal to 2 Pi under root l/g

By dimensionally we prove this equation.

Squaring both sides

T^2 = 4 pi^2 (l/g)

4 and pi are constant having dimension 0.

T^2 = L × T^2 / L

T^2 = T^2

Hence proved.