with the knife edge at 60cm mark of the meter rule ,suspend m1 at the 20cm mark and M2 at the suitable mark such that rule balance horizontally as illustrated i

with the knife edge at 60cm mark of the meter rule ,suspend m1 at the 20cm mark and M2 at the suitable mark such that rule balance horizontally as illustrated in the diagram above,record the position X of m1 and Q of M2 , evaluate I=R-X and d=Q-R, repeat the procedure for four other positions of m1 at 18,16,14 and 12cm marks , evaluate and record l and d . tabulate your readings and plot agraph of l on the vertical and d on the horizontally​