Advanced Higher Physics 2013 - 2014: Discussion and Help Thread

0.012mgmA^-1 = 1.2*10^-4KgA^-1

Yeah, that works perfectly thanks, however being a bit of a noob, could you explain how you got that? haha

0.012mgmA^-1 = 1.2*10^-4KgA^-1

edit: some working

$\dfrac{0.12*10^{-6}}{1*10^{-3}} = 1.2*10^{-4}$

Yeah that's exactly where I went wrong! Why do you divide by "1*10^-3" ?

To change from mA to A

Yes, I was being an extremely big idiot, as you said earlier I was working in grams not miligrams... aw god haha

Well this is embarrassing haha, literally so used to mA, that I just did not notice mg as milligrams.

To change from mA to A

I set the units as a fraction, so mg/mA. Therefore, if you multiply by 0.12, you get

$\dfrac{0.12mg}{mA} = \dfrac{0.12\times 10^{-6}kg}{1 \times 10^{-3} A}$

sorry, i kind of suck at explaining

haha no bother, I could've probably explained that in one post rather than about 4 if I actually posted everything at once rather than a series of edits :P, that question was quite sneaky, it took me a while earlier today when I did it, although that may have been down to losing the will to live half way through the parallelogram of uncertainty...

Yes I know, I will literally faceplant the paper if we have to do an uncertainty in the gradient

You, me, the rest of scotland sitting AH physics, I think the amount of face-desking would probably show up on the richter scale if that came up. Yeah, i did 2001 & 2002 this morning before realising that at that rate I'd end up doing like four past papers today and have ran out by the weekend, so I've been ploughing my way through these bad boys http://www.educationscotland.gov.uk/Images/8097phys2_tcm4-123822.pdf .

I'd definitely echo your sentiments about 2001 though, pretty easy paper - but that might just be because doing physics papers isn't as much of a chore compared to other subjects.. :P

I'd definitely echo your sentiments about 2001 though, pretty easy paper - but that might just be because doing physics papers isn't as much of a chore compared to other subjects.. :P

Yeah, cheers for the link it looks like another good bank of questions, I did 2002 yesterday, it was an insanely easy paper, 2001 was harder. They questions in the link look like old 1980 CYS questions, are they more challenging than the 2001-13 questions ?

Also I have a prelim tomorrow for physics, ugh, I have to go into school for it, it's a P and N 2014 (bought in paper) have u sat it before, if so, how difficult, and any hints lol?

I wouldn't say harder in terms of the actual physics, but they tend to be wordier and a bit more complex to understand, also the marking scheme has basically no detail so if you get something wrong it can be a tad infuriating.


Nope not sat it, our late evidence/second prelim was made up by the teacher from old-school questions. haha any chance of getting to keep the paper? I'm always on the lookout for more papers

Sure, If i can keep it (but I am sitting it early, others are sitting it next week) so i might not even get answers to it! but I'll see, If i can I'll scan it in for you with answers.

You, me, the rest of scotland sitting AH physics, I think the amount of face-desking would probably show up on the richter scale if that came up. Yeah, i did 2001 & 2002 this morning before realising that at that rate I'd end up doing like four past papers today and have ran out by the weekend, so I've been ploughing my way through these bad boys http://www.educationscotland.gov.uk/Images/8097phys2_tcm4-123822.pdf .

I'd definitely echo your sentiments about 2001 though, pretty easy paper - but that might just be because doing physics papers isn't as much of a chore compared to other subjects.. :P

Lots of homework Q's with solutions unit by unit at NBerwickHS:
http://www.edubuzz.org/nbscience/physics/advanced-higher-physics/
(just in case you get bored wae nothing todo)

I did the 2012 paper there and got 76%, which i was fairly pleased with at first considering my revision so far has consisted of me trying to read bright red notes but procrastination the majority of the time. Turns out it was 81% for an A that year! That seems pretty high for the SQA. I've never seen an A boundary go higher than the 70s before. Heck i've seen it in the 50s for some subjects.

The grade boundaries in the spreadsheet include the investigation and are out of 125 . 81/125 = 65%, you can rest easy now

ah now I feel a bit stupid. I probably should have looked at the total marks too...

mind you that doesn't really help me. My project was just awful