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Author Topic: CIE AS PHYSICS PAPER 1 (OCT/NOV)  (Read 14603 times)

Offline Tyserius

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Re: CIE AS PHYSICS PAPER 1 (OCT/NOV)
« Reply #75 on: November 14, 2009, 02:26:51 pm »
Quote from: Tumble Bug on November 14, 2009, 02:15:02 pm
it was THAT simple??? :P :-[ :o


Yeah :D

@fala : The torque was what I got wrong lol.
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Offline falafail

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Re: CIE AS PHYSICS PAPER 1 (OCT/NOV)
« Reply #76 on: November 14, 2009, 02:28:44 pm »
Quote from: Tyserius on November 14, 2009, 02:26:51 pm
Yeah :D

@fala : The torque was what I got wrong lol.

yeah, i figured :P
s'okay, you only got one question wrong. i got AT LEAST 6 wrong  :-[ ahaha
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Offline Tyserius

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Re: CIE AS PHYSICS PAPER 1 (OCT/NOV)
« Reply #77 on: November 14, 2009, 02:30:53 pm »
Quote from: falafail on November 14, 2009, 02:28:44 pm
yeah, i figured :P
s'okay, you only got one question wrong. i got AT LEAST 6 wrong  :-[ ahaha

LOL getting 6 wrong is fine! Seriously usually the threshold for A is like 30-32/40?
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Offline falafail

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Re: CIE AS PHYSICS PAPER 1 (OCT/NOV)
« Reply #78 on: November 14, 2009, 02:33:30 pm »
Quote from: Tyserius on November 14, 2009, 02:30:53 pm
LOL getting 6 wrong is fine! Seriously usually the threshold for A is like 30-32/40?

i said AT LEASTTTTT. i got 6 wrong out of the 8 that i guessed, dunno about the others though :P haha
it'd be awesome if i got an A.
or a B, at least. if i get a C again (or even worse, a D  :o) all of this would've been a waste of time and money :/
which would blowwwwwwwww.

i think the grade threshold's gonna be kinda low though, cos no one i know had time to actually finish the exam.
'cept you  ::)
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Offline Tyserius

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Re: CIE AS PHYSICS PAPER 1 (OCT/NOV)
« Reply #79 on: November 14, 2009, 02:35:38 pm »
Quote from: falafail on November 14, 2009, 02:33:30 pm
i said AT LEASTTTTT. i got 6 wrong out of the 8 that i guessed, dunno about the others though :P haha
it'd be awesome if i got an A.
or a B, at least. if i get a C again (or even worse, a D  :o) all of this would've been a waste of time and money :/
which would blowwwwwwwww.

i think the grade threshold's gonna be kinda low though, cos no one i know had time to actually finish the exam.
'cept you  ::)

LOL I was just lucky xD
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Offline falafail

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Re: CIE AS PHYSICS PAPER 1 (OCT/NOV)
« Reply #80 on: November 14, 2009, 02:36:18 pm »
Quote from: Tyserius on November 14, 2009, 02:35:38 pm
LOL I was just lucky xD

if you say so :P
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Offline applesauce

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Re: CIE AS PHYSICS PAPER 1 (OCT/NOV)
« Reply #81 on: November 15, 2009, 05:04:32 am »
Woah Tyserius!

Our answers match EXACTLY!

:D

Except for the torque one...I got that one right. xD
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Offline vince_24

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Re: CIE AS PHYSICS PAPER 1 (OCT/NOV)
« Reply #82 on: November 15, 2009, 05:06:30 am »
If ya did some past papers, there were some questions exactly the same from past papers like the locomotive power question and the alpha gold foil scattering question. (If only chemistry did this... )

I made some silly mistakes too such as the 'maxima' question, the answer was 15. I wrote 7. Forgot to double and add the 0th order ><
« Last Edit: November 15, 2009, 05:17:05 am by vince_24 »
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Offline Karan

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Re: CIE AS PHYSICS PAPER 1 (OCT/NOV)
« Reply #83 on: November 15, 2009, 05:40:48 am »
It's ridiculous... I got 90% when I did the June 2009 paper the morning before the exam... and then I think I might have dropped to 60% in this one... I think there was too little time, and too many calculations... but since everyone seems to have found it tough, they might hopefully scale it or something...
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Offline falafail

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Re: CIE AS PHYSICS PAPER 1 (OCT/NOV)
« Reply #84 on: November 15, 2009, 05:51:35 am »
Quote from: Karan on November 15, 2009, 05:40:48 am
I think there was too little time, and too many calculations...
Yep.
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Offline kratos009

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Re: CIE AS PHYSICS PAPER 1 (OCT/NOV)
« Reply #85 on: November 15, 2009, 05:56:06 am »
Can someone expand on the infamous torque question, i can't seem to remember it... :D. Yeah i agree we should of had more time to do it. I didn't get enough time to check all my answers, only went through the first 10 >:(.
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Offline Tyserius

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Re: CIE AS PHYSICS PAPER 1 (OCT/NOV)
« Reply #86 on: November 15, 2009, 06:36:26 am »
Quote from: vince_24 on November 15, 2009, 05:06:30 am
If ya did some past papers, there were some questions exactly the same from past papers like the locomotive power question and the alpha gold foil scattering question. (If only chemistry did this... )

I made some silly mistakes too such as the 'maxima' question, the answer was 15. I wrote 7. Forgot to double and add the 0th order ><

Erm, why do you double? Isn't it 7? 'Cause since the wave is diffracted, the coloured fringes are where you can find the superposition happening due to the interference. The dark fringes are with 0 amplitude? I'm not sure. I think it's 7 though... If not, yet another mistake =.=
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Offline vince_24

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Re: CIE AS PHYSICS PAPER 1 (OCT/NOV)
« Reply #87 on: November 15, 2009, 06:46:29 am »
Quote from: Tyserius on November 15, 2009, 06:36:26 am
Erm, why do you double? Isn't it 7? 'Cause since the wave is diffracted, the coloured fringes are where you can find the superposition happening due to the interference. The dark fringes are with 0 amplitude? I'm not sure. I think it's 7 though... If not, yet another mistake =.=

n=7 is correct, but that is only one side. like


|__________0 th order
|

and then you have them spreading out on both sides as the question asked 'how many maxima can be observed' (I think)
So, there will be 7 on the top, 7 on the bottom and also the 0th order, so 15 in total.
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Offline Tyserius

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Re: CIE AS PHYSICS PAPER 1 (OCT/NOV)
« Reply #88 on: November 15, 2009, 06:49:04 am »
Quote from: vince_24 on November 15, 2009, 06:46:29 am
n=7 is correct, but that is only one side. like


|__________0 th order
|

and then you have them spreading out on both sides as the question asked 'how many maxima can be observed' (I think)
So, there will be 7 on the top, 7 on the bottom and also the 0th order, so 15 in total.

Oh right.. sh*t I forgot I'm only counting one side ~_~ Crap. Oh well, 2 mistakes lol
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Offline falafail

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Re: CIE AS PHYSICS PAPER 1 (OCT/NOV)
« Reply #89 on: November 15, 2009, 09:09:58 am »
Quote from: Tyserius on November 15, 2009, 06:49:04 am
Oh right.. sh*t I forgot I'm only counting one side ~_~ Crap. Oh well, 2 mistakes lol

Hey so my answer was right! ;D
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