OCR A Level Paper 2: Exploring Physics A 24th May General Discussion Watch

msbx
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#1
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Any predictions / general chat etc
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GreenDeath
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Maybe some light rays on critical angles etc..
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B0redBrioche
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Thinking magnetic fields 6 marker, wasn't much magnetic fields last year
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DarkLink
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thats what im thinking too, or potential dividers... the dreaded beast that they are
(Original post by B0redBrioche)
Thinking magnetic fields 6 marker, wasn't much magnetic fields last year
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msbx
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Yeah me too
(Original post by B0redBrioche)
Thinking magnetic fields 6 marker, wasn't much magnetic fields last year
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DarkLink
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just looking through last years paper 2- literally no electric field questions
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willfoot89
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Are you kidding, there was a whole question on magnetic fields in paper 2 and there was a question on them in paper 3 as well, including a six mark question. No electric fields at all in papers 2 or 3 last year so they have to come up this year
(Original post by B0redBrioche)
Thinking magnetic fields 6 marker, wasn't much magnetic fields last year
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Myrtey
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I really don't want to see any major x-ray questions come up but I have the worst hunch it's gonna be there :/
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msbx
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What are you guys doing to revise the next few days?
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lynchini
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Just doing papers to be honest, using the old spec G482 and G485 to consolidate knowledge then the available new spec papers to see what I can do in timed conditions.
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willfoot89
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I agree, I feel like in recent years they’ve touched on PET and CAT scanners a lot but haven’t spoken about gamma cameras, x-rays or ultrasound very much - I think these are contenders for the medical physics part of Friday’s paper, should it come up.
(Original post by Myrtey)
I really don't want to see any major x-ray questions come up but I have the worst hunch it's gonna be there :/
Last edited by willfoot89; 4 weeks ago
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msbx
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I agree
(Original post by willfoot89)
I agree, I feel like I’m recent years they’ve touched on PET and CAT scanners a lot but haven’t spoken about gamma cameras, x-rays or ultrasound very much - I think these are contenders for the medical physics part of Friday’s paper, should it come up.
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DarkLink
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great, i hate electric fields so much
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willfoot89
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IMO, they are better than magnetic fields
(Original post by DarkLink)
great, i hate electric fields so much
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DarkLink
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i guess, but only relatively speaking- the whole topic is just hellish.
not to even mention those hand laws i dont think ive ever known when to use the left or right or my foot or anything
(Original post by willfoot89)
IMO, they are better than magnetic fields
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willfoot89
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LMAO, left hand rule for direction when you have 2 of force, magnetic field and conventional current to find the missing one. Right hand rule in the same way would be used for electromagnetic induction but it is not needed due to Lenz’s law
(Original post by DarkLink)
i guess, but only relatively speaking- the whole topic is just hellish.
not to even mention those hand laws i dont think ive ever known when to use the left or right or my foot or anything
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DarkLink
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wasnt one hand for a current carrying conductor and one was for a conductor placed in a mag field? i have a distant memory of something like that
(Original post by willfoot89)
LMAO, left hand rule for direction when you have 2 of force, magnetic field and conventional current to find the missing one. Right hand rule in the same way would be used for electromagnetic induction but it is not needed due to Lenz’s law
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JS_G
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(Original post by Myrtey)
I really don't want to see any major x-ray questions come up but I have the worst hunch it's gonna be there :/
Ultrasound is more likely to be examined this year I believe
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RedGiant
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I suspect that waves are going to come up. And most likely quantum physics of some kind, and without a doubt, magnetic and electric fields will come up. Also, so will capacitors. And medical physics.
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DarkLink
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hmm, dunno about that capacitors one- capacitors was a huge chunk in paper 2, and it was the 6 marker
(Original post by RedGiant)
I suspect that waves are going to come up. And most likely quantum physics of some kind, and without a doubt, magnetic and electric fields will come up. Also, so will capacitors. And medical physics.
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