AQA A LEVEL PHYSICS 7408/2 PAPER 2 MARK SCHEME (PHYSICS)
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AQA A LEVEL PHYSICS 7408/2 PAPER 2 MARK SCHEME JUNE 2022
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---40May 20232022/2023A+
- AQA A LEVEL PHYSICS 7408/2 PAPER 2 MARK SCHEME JUNE 2022. 
Combining and making use of Q = Pt and Q = 
1 numerical errors are ignored for this 
mark. Provided the temperature 
difference is correct then subsequent 
changes that involve 273 0C can be 
ignored. (125−20) 
2 t = (1.2 × 450) 
2100 
No ecf for the second mark but correct 
answer gains both marks 
Condone use of cwater for cmetal. 
2 2 x AO2 
mc � equations without the need to make t 
the subject. 1 t = 27 (s) 2 
3.6.2.1 
6 
S- T-...
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