IGCSE Physics 4420 2H Mark Scheme (Results ... - MrSimonPorter
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IGCSE Physics 4420 2H Mark Scheme (Results ... - MrSimonPorter
IGCSE. IGCSE Physics 4420 2H. Edexcel Limited. Registered in England and
Wales No. 4496750. Registered Office: One90 High Holborn, London WC1V 7BH
...
IGCSE Physics 4420 2H Mark Scheme (Results) Summer 2007
IGCSE
IGCSE Physics 4420 2H
Edexcel Limited. Registered in England and Wales No. 4496750 Registered Office: One90 High Holborn, London WC1V 7BH
Question 1 Qu part a(i)
Answer(s)
Extra Information
C
a(ii)
sloping downwards
slowing down
1
a(iii)
constant
less than acceleration / decreases slowly / takes a longer time than the acceleration / (area) A is less than (area) C / (train) travels a greater distance while decelerating than when accelerating
1
b(i)
area (under graph)
A+B+C
1
b(ii)
horizontal non zero line below line on graph for the correct time
1
dop independent
Question 2 Qu Answer(s) part a(i) resistor/resistance/rheostat power supply/battery/cell a(ii)
= 0.4 × 20 = 8 (C)
b
lamp in parallel switch in series with second lamp
Mark(s)
Extra Information
1 1 1 7 marks Mark(s) 1 1 1 1
dop
1 1 6 marks
Question 3 Qu Answer(s) part a angle of incidence equals angle of reflection