AQA AS Level Physics Paper 1 7407/1 - 18 May 2022 [Exam Chat]

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Chessenugget
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#1
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#1
How did everyone find the test, advance information wasn’t very accurate at all!
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Bleu_
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#2
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#2
(Original post by Chessenugget)
How did everyone find the test, advance information wasn’t very accurate at all!
omg i totally agree, it was absolutely shambolic, never trusting AQA ever again. No 'waves' and if it does come up it'll be low tariff. IT SHOWED UP AND IT WAS 8 MARKSS. Might need to contact AQA and sue them for false INFORMATION but other than that, it was fine.
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Chessenugget
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#3
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#3
(Original post by Bleu_)
omg i totally agree, it was absolutely shambolic, never trusting AQA ever again. No 'waves' and if it does come up it'll be low tariff. IT SHOWED UP AND IT WAS 8 MARKSS. Might need to contact AQA and sue them for false INFORMATION but other than that, it was fine.
Yeh that wasn’t all either, 5 or so marks on materials as well.
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br1ka_m
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#4
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#4
What did you guys get for some of the answers?

For 1.1, I ticked the sigma plus particle. For the refractive index I got 1.31. For the total resistance when P is at Y, I got 6??
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Bleu_
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#5
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#5
(Original post by Chessenugget)
Yeh that wasn’t all either, 5 or so marks on materials as well.
so true... AQA NEEDS TO GET SUED like i had an edexcel exam the other day and their advanced information was really helpful since it was accurate. But AQA what the hell! They did the same thing with GCSEs is what i heard...
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Bleu_
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#6
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(Original post by br1ka_m)
What did you guys get for some of the answers?

For 1.1, I ticked the sigma plus particle. For the refractive index I got 1.31. For the total resistance when P is at Y, I got 6??
i got sigma too, but refractive index i got 1.02, and P to Y i don't really remember
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Chessenugget
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#7
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(Original post by br1ka_m)
What did you guys get for some of the answers?

For 1.1, I ticked the sigma plus particle. For the refractive index I got 1.31. For the total resistance when P is at Y, I got 6??
I got Y for 1.1
, but I agree with the others
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br1ka_m
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#8
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(Original post by Bleu_)
so true... AQA NEEDS TO GET SUED like i had an edexcel exam the other day and their advanced information was really helpful since it was accurate. But AQA what the hell! They did the same thing with GCSEs is what i heard...
I remember the angle of incidence, they were really sneaky and showed the angle between the ray and the boundary so we had to subtract that angle from 90 to get the true angle of incidence.
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br1ka_m
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#9
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Anyone remember any other questions?
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Bleu_
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#10
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#10
(Original post by Chessenugget)
I got Y for 1.1
, but I agree with the others
i gues i might have done it wrong, i didn;'t revise waves that much so was a bit iffy if i should have subtracted 90. i justed 1 x sin 53 = n x sin 47 ( the angles were something like that) and just re arranged
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Chessenugget
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#11
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#11
(Original post by Bleu_)
i gues i might have done it wrong, i didn;'t revise waves that much so was a bit iffy if i should have subtracted 90. i justed 1 x sin 53 = n x sin 47 ( the angles were something like that) and just re arranged
Yeh angle to normal was 90 - the other angle
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Bleu_
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#12
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#12
(Original post by Chessenugget)
Yeh angle to normal was 90 - the other angle
RIP me, but i was so glad that the 6 marker was about the photoelectric effect. Revised that a lot so i was glad the 6 marker was about that. How did you find the other questions? Like the moments questions was really weird since i got d 2.4m, took moments from both sides and still got d as 2.4m but the diagram clearly showed the distance was fewer than half way soo idk
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Chessenugget
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#13
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#13
(Original post by br1ka_m)
Anyone remember any other questions?
There were a few questions about bromine isotopes. I got 46 neutrons and then 50% for each isotope
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Chessenugget
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#14
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#14
(Original post by Bleu_)
RIP me, but i was so glad that the 6 marker was about the photoelectric effect. Revised that a lot so i was glad the 6 marker was about that. How did you find the other questions? Like the moments questions was really weird since i got d 2.4m, took moments from both sides and still got d as 2.4m but the diagram clearly showed the distance was fewer than half way soo idk
I think I got 1.15m for that one
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br1ka_m
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#15
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#15
(Original post by Bleu_)
RIP me, but i was so glad that the 6 marker was about the photoelectric effect. Revised that a lot so i was glad the 6 marker was about that. How did you find the other questions? Like the moments questions was really weird since i got d 2.4m, took moments from both sides and still got d as 2.4m but the diagram clearly showed the distance was fewer than half way soo idk
ooh I also got 2.4 m. Didnt think about the diagram.
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br1ka_m
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#16
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#16
(Original post by Chessenugget)
There were a few questions about bromine isotopes. I got 46 neutrons and then 50% for each isotope
Oh yeah, I got the same I believe. I struggled with that question to be honest, I think my knowledge from chemistry saved me.
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Chessenugget
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#17
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#17
(Original post by br1ka_m)
Oh yeah, I got the same I believe. I struggled with that question to be honest, I think my knowledge from chemistry saved me.
Same, I think you kinda needed to know that bromine is a diatomic molecule
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Chessenugget
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#18
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#18
Did anyone know how to do the question about charge density of sigma particle and Y?
Last edited by Chessenugget; 1 month ago
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Oliverfk93916
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#19
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#19
(Original post by Chessenugget)
I think I got 1.15m for that one
I got the same. But 1.2 as everything else was 2sf
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Oliverfk93916
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#20
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#20
(Original post by Chessenugget)
Did anyone know how to do the question about charge density of sigma particle and Y?
I got.
- Both +1 charge.
- Pion+ has a larger rest mass than pion neutral
- Pion neutral contains a strange particle
- Y contains a strange particle
- Pion+ mass greater than Y
- Y must have larger specific charge

Pretty raw if that’s the answer for like 2 marks though
Last edited by Oliverfk93916; 1 month ago
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