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hope u have the books..if not then respond early. U can get them from scribd.com i guess.. Best of Luck!
Always read the questions carefully since they are real tricky...try to understand what the question wants..then answer to the point..i hope u understood..
awesome suggestions... but time is so short!You should practice loads of papers for each of the subjects...For Maths solve the recent papers,sample assessment,solomon,elmwood if u got time check out the past papers too...u can download them all from the past papers on this link
For chemistry do the same with recent papers,sample assessment,solve hodder review questions,george facer questions and revision guide questions..then go for the past question papers..
For physics solve question papers specially for unit 3b and unit 2...and try to get evrything from books for unit 1 mostly...do the hodder one and revision guide...then look for loads of question to solve..
i cant open them ? which software did u use to open them?? can u convert to pdf?
LOOK man ignore the 0.42 value given to you and average the rest u will get the correct value the to find uncertainty you subtract the highest from teh lowest reading and then divide by two to get the +- uncertainity !! (ignoring the unusual value that is 0.42) hope it helped !
Do you have for physics??? unit 3b? practical? need it !!I'm doing Chemi Units 1, 2, 3 and same for Phys. Also doing Maths C1, C2 and S1. I'm so nervous
Thank you dear ! yeah u have to round it because in the question it is given to two decimal places u always have to keep that in mind ! THANKS FOR YOU DUA ! HOPE YOU TOO PASS WITH THE SAME GRADE !Yes! I got the answer , except for the uncertainty part I got 0.015 but I'm guessing I have to round it of and I'll get 0.02 then
JazhakAllah Khair ! May Allah Pass you with A*, Ameen!
Btw is this the only way you can calculate uncertainty? Simply subtracting the highest with the lowest and dividing by two? Cuz there's another question from the same paper Q8 (b) Im getting +-162 mm :$
why are u getting such a strange value? this is the uncertainity formula and works everytime !! i guess teh wavelenghts u found were of the wrong value coz the highest wavelenght i got is 328 and lowest 312 ! subtract them and divide by two !
Got it! I think I'm sleepy that why I'm getting wrong answer lolwhy are u getting such a strange value? this is the uncertainity formula and works everytime !! i guess teh wavelenghts u found were of the wrong value coz the highest wavelenght i got is 328 and lowest 312 ! subtract them and divide by two !
Nvm i love to help
JazhakAllah once again! Although you figured it out, i just wanted to point out that there are two ways of finding the uncertainty:
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