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Author Topic: Physics AS practical 3rd Nov  (Read 10795 times)

Offline slammer951

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Re: Physics AS practical 3rd Nov
« Reply #45 on: November 02, 2009, 05:28:43 pm »
its a piece of equipment used to ensure that the apparatus is vertical by ensuring the angle between the apparatus and the table is 90 degrees , i think for that specific question you could have gone into more detail by saying that you ensured that the stand and bench were both 90 degrees to each other by using a set square.
« Last Edit: November 02, 2009, 05:30:15 pm by slammer951 »
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Offline khi2ruh

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Re: Physics AS practical 3rd Nov
« Reply #46 on: November 02, 2009, 06:30:33 pm »
are there any units for cos(Q/2)?

..column heading
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Offline falafail

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Re: Physics AS practical 3rd Nov
« Reply #47 on: November 02, 2009, 06:43:23 pm »
Quote from: khi2ruh on November 02, 2009, 06:30:33 pm
are there any units for cos(Q/2)?

..column heading

no, but in one mark scheme they'd written it as "cos(Q/2(°))" so there was a unit for the Q/2 part, but not for the actual column.
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Offline MaNi_DaDuDe

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Re: Physics AS practical 3rd Nov
« Reply #48 on: November 02, 2009, 06:50:55 pm »
Quote from: Asif iqbal on November 02, 2009, 04:38:28 pm
Ummm can u ppl plz find  a list Of errors limitations and Dere solutions....

I need the very same info.

Errors, accuracies about protectors and stuff other than parallax error
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Offline falafail

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Re: Physics AS practical 3rd Nov
« Reply #49 on: November 02, 2009, 06:53:24 pm »
Quote from: MaNi_DaDuDe on November 02, 2009, 06:50:55 pm
I need the very same info.

Errors, accuracies about protectors and stuff other than parallax error

lol, protectors  :P

dude, just go over the ones in previous past papers. i just did, and i came to one conclusion: examiners are *censored* schizophrenic.
sometimes they say you get marks for something, and others it's like "no credit given".... yep, schizos.  >:[
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Offline MaNi_DaDuDe

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Re: Physics AS practical 3rd Nov
« Reply #50 on: November 02, 2009, 06:55:23 pm »
rofl its my phone's autocorrect. (iPhone bleh)

Dude I still want like main errors possible with protactors and stuff cuz like all I know is we need to clamp it foe better results as it is in air or some sh*t. Help :(
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Offline falafail

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Re: Physics AS practical 3rd Nov
« Reply #51 on: November 02, 2009, 06:59:04 pm »
Quote from: MaNi_DaDuDe on November 02, 2009, 06:55:23 pm
rofl its my phone's autocorrect. (iPhone bleh)

Dude I still want like main errors possible with protactors and stuff cuz like all I know is we need to clamp it foe better results as it is in air or some sh*t. Help :(

ah yeah, out of all the past papers only one error/improvement thingie was about protractors. the one with the bottle and measuring the angle? it's similar to the one we had in may/june.
but yeah, it only said that you can use a clamp to hold the protractor still (you get no credit for saying "a clamp to hold the BOTTLE" though) because it's hard to keep it steady while holding the bottle as well.
other than that, i'm just as clueless as you are  :'(
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Offline MaNi_DaDuDe

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Re: Physics AS practical 3rd Nov
« Reply #52 on: November 02, 2009, 07:01:37 pm »
Quote from: falafail on November 02, 2009, 06:59:04 pm
ah yeah, out of all the past papers only one error/improvement thingie was about protractors. the one with the bottle and measuring the angle? it's similar to the one we had in may/june.
but yeah, it only said that you can use a clamp to hold the protractor still (you get no credit for saying "a clamp to hold the BOTTLE" though) because it's hard to keep it steady while holding the bottle as well.
other than that, i'm just as clueless as you are  :'(

Then I guess we are in the same boat.

I got that clamp thing from mj09
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Offline falafail

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Re: Physics AS practical 3rd Nov
« Reply #53 on: November 02, 2009, 07:03:46 pm »
Quote from: MaNi_DaDuDe on November 02, 2009, 07:01:37 pm
Then I guess we are in the same boat.

I got that clamp thing from mj09

yeah, the one with the bottle, right?

i don't think we're gonna get something like that again though..
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Offline MaNi_DaDuDe

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Re: Physics AS practical 3rd Nov
« Reply #54 on: November 02, 2009, 07:22:02 pm »
Quote from: falafail on November 02, 2009, 07:03:46 pm
yeah, the one with the bottle, right?

i don't think we're gonna get something like that again though..

Yeah same one.

Nah bottle can't come again.
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Offline falafail

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Re: Physics AS practical 3rd Nov
« Reply #55 on: November 02, 2009, 07:26:18 pm »
Quote from: MaNi_DaDuDe on November 02, 2009, 07:22:02 pm
Yeah same one.

Nah bottle can't come again.

good, it was messy XD
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Offline raunaqbhatia

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Re: Physics AS practical 3rd Nov
« Reply #56 on: November 02, 2009, 07:48:43 pm »
true
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Offline falafail

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Re: Physics AS practical 3rd Nov
« Reply #57 on: November 02, 2009, 07:50:50 pm »
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Offline MaNi_DaDuDe

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Re: Physics AS practical 3rd Nov
« Reply #58 on: November 02, 2009, 08:16:17 pm »
What are the formulas to be learnt?

Someone please state them.
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Offline MaNi_DaDuDe

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Re: Physics AS practical 3rd Nov
« Reply #59 on: November 02, 2009, 09:36:10 pm »
Any brief summary on significant figures?

Andd in tabulating data, what format is preferred? (experiments in rows?$
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