phy pratical help

[grumpy]

hi guys salam i am new in a levels and i want some tips concerning physics pratical such as how to draw a best fit line ,how to scale a graph and usually in what ratio scale is plottted.
and the answer of this question "justify the no. of significant figures used for........"
i apperas in every pratical ppr i have gone through.
please help me its urgent .
i want to have good start for a levels.

 

[utsav156]

hey there is a book called hand to hand phy practicals try that out....its much useful and perfect....if u couldnot find the book send me a mail.....ill help you out..........no worries mate...everything gonna be good

 

[tweez11]

or you can go thru the markscheme of that specific year of the question you want to know,there is everything mentioned about the graph(lik the ratios and all)
you'll also know how much mark there is for each part u did on the graph question!