Edexcel Physics IGCSE 1P Unofficial Mark Scheme 25th May 2016 Watch

Poll: How did you find the exam?
95% - 100% (7)
3.72%
90% - 94% (13)
6.91%
80% - 89% (37)
19.68%
70% - 79% (66)
35.11%
60% - 69% (24)
12.77%
50% - 59% (12)
6.38%
40% - 49% (11)
5.85%
30% - 39% (3)
1.6%
20% - 29% (3)
1.6%
10% - 19% (4)
2.13%
0% - 9% (8)
4.26%
Job738338
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#41
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#41
(Original post by ursulab)
I know u have use the equation to find the orbital speed. Did everyone get 179 km per hour for the speed?
That sounds way too slow man also just searched Google and it was 100,000+
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conradliebers
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#42
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#42
(Original post by ursulab)
I know u have use the equation to find the orbital speed. Did everyone get 179 km per hour for the speed?
That was what I was thinking. I can't tell if it was 179 km/hour because I think that the orbital radius was 250000km, however, another person told me it gave the circumference as 1500000km and so it would be 17000 km/hour which seems more correct. I can't remember which one I wrote down. If you are certain that the orbital radius they gave was 250000km and the time period was 365 days, then yes it was.
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Job738338
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#43
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#43
(Original post by conradliebers)
That was what I was thinking. I can't tell if it was 179 km/hour because I think that the orbital radius was 250000km, however, another person told me it gave the circumference as 1500000km and so it would be 17000 km/hour which seems more correct. I can't remember which one I wrote down. If you are certain that the orbital radius they gave was 250000km and the time period was 365 days, then yes it was.
What do u think the g bounds will be around?
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P__K
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#44
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#44
(Original post by conradliebers)
That was what I was thinking. I can't tell if it was 179 km/hour because I think that the orbital radius was 250000km, however, another person told me it gave the circumference as 1500000km and so it would be 17000 km/hour which seems more correct. I can't remember which one I wrote down. If you are certain that the orbital radius they gave was 250000km and the time period was 365 days, then yes it was.

The circumference was definitely 1.5 x 10^6 km (1,500,000km)
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AVishaa
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#45
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#45
I reckon the grade boundary will be 143 to 146 for Paper 1 & 2, so that will be around 95 - 97 for just paper 1, but you can still get the A* if you do really well in the paper 2.
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conradliebers
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#46
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#46
(Original post by Job738338)
What do u think the g bounds will be around?
Same as usual: 75% for an A*.
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JKram
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#47
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#47
Saying that it was the snow/sky for 12)a) and c) is incorrect, it was asking for the individual parts of the bear, so the eyes and the nose
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cornflakeexpert
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#48
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#48
(Original post by conradliebers)
That was what I was thinking. I can't tell if it was 179 km/hour because I think that the orbital radius was 250000km, however, another person told me it gave the circumference as 1500000km and so it would be 17000 km/hour which seems more correct. I can't remember which one I wrote down. If you are certain that the orbital radius they gave was 250000km and the time period was 365 days, then yes it was.
but it was km/hr so didnt you have to convert 365 days to hours
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conradliebers
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#49
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#49
(Original post by JKram)
Saying that it was the snow/sky for 12)a) and c) is incorrect, it was asking for the individual parts of the bear, so the eyes and the nose
No it just asked for the objects. There were 3: the sky, snow and bear. But I also commented about the bear incase.
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conradliebers
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#50
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#50
(Original post by cornflakeexpert)
but it was km/hr so didnt you have to convert 365 days to hours
Yeah I know but I was just trying to simplify my answer to him.
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cornflakeexpert
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#51
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#51
(Original post by conradliebers)
Yeah I know but I was just trying to simplify my answer to him.
ooh ok
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JKram
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#52
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#52
(Original post by conradliebers)
No it just asked for the objects. There were 3: the sky, snow and bear. But I also commented about the bear incase.
Ah sh*t I was on track for 97% if it wasn't for that
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conradliebers
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#53
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#53
(Original post by JKram)
Ah sh*t I was on track for 97% if it wasn't for that
So it was just you and me who put the poll for 95% up.
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ursulab
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#54
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#54
(Original post by conradliebers)
That was what I was thinking. I can't tell if it was 179 km/hour because I think that the orbital radius was 250000km, however, another person told me it gave the circumference as 1500000km and so it would be 17000 km/hour which seems more correct. I can't remember which one I wrote down. If you are certain that the orbital radius they gave was 250000km and the time period was 365 days, then yes it was.
Ah no I read the question wrong. So 150000000 was the circumference and not the radius.
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Hsevras
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#55
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#55
what would 98/120 be?
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JKram
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#56
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#56
(Original post by conradliebers)
So it was just you and me who put the poll for 95% up.
Nah I put down for 90-94 because I probably lost 2 or 3 in that whole question.
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JKram
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#57
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#57
(Original post by Hsevras)
what would 98/120 be?
81.6%, you might get an A or an A* depending on what the boundary is set at. Over the last few years it's averaged around 82% so you might be lucky!
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Hsevras
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#58
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#58
what was the orbital radius answer. i dont thibk 150,000..... was the cicumference, im quite sure it was the radius
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conradliebers
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#59
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#59
(Original post by Hsevras)
what was the orbital radius answer. i dont thibk 150,000..... was the cicumference, im quite sure it was the radius
I'm not sure, at it was 1,500,000. One of the questions gave it as 250,000km as the radius.
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1ndya
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#60
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#60
(Original post by niv1234)
3- the question matching up the uses of electromagnetic waves in hospitals

x-rays-imaging broken bones
microwaves- heat up patients food
gamma?
Gamma: medical tracers
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18.69%
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