IGCSE/GCSE/O & A Level/IB/University Student Forum
Qualification => Subject Doubts => GCE AS & A2 Level => Sciences => Topic started by: yasser37 on June 03, 2010, 03:44:28 pm
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Hi guys
so how did it go?
mine was good
but the second one was hard and annoying
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Haha . . .yea man
Second man was damn annoying
Lucky i was able to clamp it down using a clip
LOL
But the graph was pretty standard
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Paper wasnt hard. i finishd it in 1hour 15mins... ques1 was v.easy. n ques 2 was nt that hard. it was just measurng deflectn n provng k... :) :)
my grad was: -0.176
Y-inter: 0.22
Z was -0.55
ques 2:
angle 1: 23
angle 2: 20
k was i) 0.30
ii)0.31
for erors i wrote:
i.paralex eror
ii.wind from fans
iii.light magnet
iv.and difficult to hold magnet in position with hand.
improvemnts:
i.perpendicular view
ii.large magnet
iii.plastic stand
iv.take readngs n plot a graph...
m sooo happpy! my ppr rockd! it was waaaaay beter thn chem practical.
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my angles were smaller however K was almost the same for me
but I was really tired holding that thing in there and I had to use my other hand "efficiently"
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angles dnt matter. nly constant k do.
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yeah I know :D