this question is hard but not because the content is actually difficult, you just need to know which conservation laws apply where, the mark scheme makes this difficult, from memory last year i got this right in a mock but only got 2/4 bc i didnt reason enough
2026-09-19 21:05:26
3
anna🪐🌟 :
i love this question it was in my mock😜
2026-09-20 13:17:58
3
Dthesilva :
Amazing subject, interesting exam question
2026-09-19 21:17:53
5
andriii364 :
whats the general rule for the firdt decay? like why cant the other particle be sdu and not ssu? is it that only one s quark can change at a time?
2026-09-19 21:24:32
0
Emilia_Mazurek :
done this the other day actually haha
2026-09-23 19:36:04
3
leamford2 :
Aren’t there some quark topics that are on aqa but not ocr a?
2026-09-19 16:56:10
0
Gabriel :
Didn’t know that niche bit at the end thanks
2026-09-19 22:25:23
6
wacobjawd :
Once I told my students that strangeness can only change by 1 at a time they found this more doable (but still hard)
2026-09-20 10:17:28
0
-ツ- :
I just started year 12 what in the hell am I looking at
2026-09-20 08:42:35
2
frmieoz 🇦🇺 :
🥰🥰🥰
2026-09-21 00:19:22
0
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