Can any1 help me out. See the graph says thatit it has been plotted for LT but looking on the table on the lhs it's clear that it is plotted using L and T square still it gives a parabola how come? Pintu sir i didnt understand your explaination ... U said that we r plotting l^2 against T and hence it becomes y^2=4ax but l is along x axis and T along y axis and also we r not plotting l^2 its just T dat is squared. Can someone plz give me a detailed explaination.

Can any1 help me out. See the graph says thatit it has been plotted for LT but looking on the table on the lhs it's clear that it is plotted using L and T square still it gives a parabola how come? Pintu sir i didnt understand your explaination ... U said that we r plotting l^2 against T and hence it becomes y^2=4ax but l is along x axis and T along y axis and also we r not plotting l^2 its just T dat is squared. Can someone plz give me a detailed explaination. COMPREHENSIVE PRACTICAL cm 3. Meun Observed diameter Of the ; Mean eorrected diameter, Mean radius of the bob, of hook of the Ixpb. Standard 980 . 2. IA•ast count of stop ck.•k'watch s Zero error of stop clock/watch Zero correction of stop clock"watch 3. Table for Length and time (T) do • 98.4 128.4 Length of 120.0 130.0 42 520 goTiON ANO ACCELERATION DOE To GRAVITY With graph I-Tgraph, Plot a graph between T by and T along y-axis. The graph to a in Fig 002. Plot a graph betweerny and along Y-axis. graph to a straight line as shown in Fig. 603. Of pend T • 2 g and Fig 603. Fig. 6.02. Graph T a • The graph is a parat»la T 2r — I Equatin d a is yl (Note. are as *ample taken With the table For each length. write mean time fir 20 vibrations tl+tz 3 Write Of t in column (3) Of table. kngth, find time T — s and write its value in column 4 and 20 Aknvp table.

dear student follow the eqn T=2πlgas we square both side T2=4π2lgthis is the eqn of parabola .the graph is plotted for this eqn only .as the parabola faces towards x axis that is length of the pendulum variable .it wrongly writtn in the graph that the graph is showing T2.if it is T2 vx x graph then graph should be straight line according to the above eqn .i think thats the mistake in the book .Regards

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