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Physics: Post your doubts here!

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Could someone please help me with this question from May/June 2017 Paper 21 Q.6 di)
Sorry there is no link from this website. Its urgent, I have my Physics resit in 2 days and i don't know how to solve the kind of questions involving circuits.
 
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It was a lens prac. with the usual limitations/improvements, which came in 2015/M/J/34 so i memorized those 8 points since it was more or less the same prac. Also, out of 8 marks 2 is always inbuilt which is 2 readings not enough and get more readings and plot a graph. ;)That's why i was confident.:rolleyes: Before the exam i posted a thread on forum asking what might come for the exam, lo and behold someone said lens practicals and electricity.:cry: so she was half right as the other prac was pendulum and mass alterations and i was glad cuz(electricity pracs is my weakest suit:sick:). But in the heat of the moment i counted periods wrong for the pendulum.:cry:. But since you pointed out that examiners wouldn't be too harsh i felt better. Even 8 marks cut off would be allright at this point since i checked with my tutor what i wrote for the exam.
yikes!still sorry about that!
 
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Can Anyone give me the papers of As level may june 2001 PAPER-2 along with mark scheme.Thanks in advance :)
 
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yikes!still sorry about that!
Could someone please help me with this question from May/June 2017 Paper 21 Q.6 di)
Sorry there is no link from this website. Its urgent, I have my Physics resit in 2 days and i don't know how to solve the kind of questions involving circuits.
No worries, i might stop science after this exam depending on results..... maybe im better off at a desk job or better yet be ordained as a monk.
 
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No worries, i might stop science after this exam depending on results..... maybe im better off at a desk job or better yet be ordained as a monk.
Sorry, wasn't paying attention to the thread. Don't worry, mate I'm sure you'll do alright :) btw what is your desired grade overall for physics?
 
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It's already amazing that you predicted one of the questions right... I have never predicted what questions will be in the exams before I went in. Gotta be confident in them all haha.
See, School teachers and tutors are connected with Universities or centres where pracs are going to be, so once the centres are known tutors and teachers get data about the equipment we are gonna use then they round up the info and tell whats going to come, atleast thats how it happens here in Sri Lanka. If the centre people tell its strings and masses they automatically know its a pendulum practical, if they are toldntomprobide with multimeters and wires, you guessednit electricity. When i went for paper classes we had a practical session in 2016 where the exact practical came. #Adapt, Improvise , Overcome. LOL.
 
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Sorry, wasn't paying attention to the thread. Don't worry, mate I'm sure you'll do alright :) btw what is your desired grade overall for physics?
Well atleast a B would be good, after all i really dig in to A2 and As theories. btw thanks homie you've been keeping me cool the past couple of days. #Props
 
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Guys for Igcse physics in graph can we start the graph from the number given for ex-20,30,35,40,45,50,55 can I start the graph with 20 rather than (0,0)
And should the scale be>50%
 
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You can do so, provided that scale is > 50% and use the graph with regular intervals in 1,2,4,5 and 10 unit intervals, so you cant start with 20 then go 30 and 35 40, if you must start with 20 you should go 20,25,30 etc or 20,30,40, or 20,24,28,32 etc.
 
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You can do so, provided that scale is > 50% and use the graph with regular intervals in 1,2,4,5 and 10 unit intervals, so you cant start with 20 then go 30 and 35 40, if you must start with 20 you should go 20,25,30 etc or 20,30,40, or 20,24,28,32 etc.
If I remember correctly 4 is also somewhat of an awkward succession, so I would only go with 1,2,5 or 10 mostly.

Did my physics paper 4, screwed up a 4 mark question ._. the rest was alright, but that was kind of depressing getting stuck in the middle of the paper
 
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If I remember correctly 4 is also somewhat of an awkward succession, so I would only go with 1,2,5 or 10 mostly.

Did my physics paper 4, screwed up a 4 mark question ._. the rest was alright, but that was kind of depressing getting stuck in the middle of the paper
I always use to do this shit at the end. xD I know it sucks when we stuck in the middle of the paper :/
 
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I always use to do this shit at the end. xD I know it sucks when we stuck in the middle of the paper :/
I skipped the question immediately after getting stuck for one minute, finished the paper and agonized over that one question for 20 minutes XD turns out I had the right answer but I changed it at the very last second (although my reasoning wasn't correct anyways haha). Anyhow my physics teacher said if I had found it hard everyone would, so I guess I can live with it *shrugs*
 
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I skipped the question immediately after getting stuck for one minute, finished the paper and agonized over that one question for 20 minutes XD turns out I had the right answer but I changed it at the very last second (although my reasoning wasn't correct anyways haha). Anyhow my physics teacher said if I had found it hard everyone would, so I guess I can live with it *shrugs*
It isn't necessary that if u found it difficult everyone will face the same problem. Lol! Maybe others could do it very easily xD
Like if u didn't strike what u have to do maybe u are thinking very complex but answer is very simple xD IK this happens xD
Haha.. anyways god luck :)
 
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It isn't necessary that if u found it difficult everyone will face the same problem. Lol! Maybe others could do it very easily xD
Like if u didn't strike what u have to do maybe u are thinking very complex but answer is very simple xD IK this happens xD
Haha.. anyways god luck :)
That's true. The question had both capacitors and resistors in the circuit, which kind of threw me off. Even so with enough thinking I could've came up with the correct answer and correct thinking. Although it's not necessary that everyone will find it hard, I suspect the majority will as I had seen no question of that kind from seeing all papers 2011 onwards.
 
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That's true. The question had both capacitors and resistors in the circuit, which kind of threw me off. Even so with enough thinking I could've came up with the correct answer and correct thinking. Although it's not necessary that everyone will find it hard, I suspect the majority will as I had seen no question of that kind from seeing all papers 2011 onwards.
Can u share the question if u remember?. :)
 
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If I remember correctly 4 is also somewhat of an awkward succession, so I would only go with 1,2,5 or 10 mostly.

Did my physics paper 4, screwed up a 4 mark question ._. the rest was alright, but that was kind of depressing getting stuck in the middle of the paper
So long as you get the coordinates on point it's fine. Scales which are definitely no-no is 3,6,9 or decimal,0.3 stuff like that.
 
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