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Edexcel IAL Physics Unit 2 WPH02 May June 2016 Discussion watch

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    (Original post by Bloom <3)
    Overall how many marks do u expect?
    if you mean for the question I think 3 marks, if for the whole paper, ummmm i didnt do well so, ill go for 40-46
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    (Original post by Zainat0987)
    4.6
    4.59
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    (Original post by Mesuteyezil)
    Hey there, last question was quite easy..you were supposed to say that the atoms of the element ( I think it was sodium ) get excited and move to higher energy levels, later, when they do return, they emit photons- only certain energy levels are possible... energy of the photon must equal the difference in the energy levels and as a result, there are only limited no. of energy differences corresponding to the set frequency and wavelength
    Phewwww
    I think i am good in this qs then 😃
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    (Original post by Hamadtype-)
    Dont we use v output = R / R + T x V input to find the thermistor?
    Yeah certainly one way of doing it..but i used the general formulae to find the current in the circuit and then the resistance of the thermistor...btw what was your thermiator resistance?? I got that to be 23 ohm and the corresponding temp to be 35..
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    (Original post by Hamadtype-)
    if you mean for the question I think 3 marks, if for the whole paper, ummmm i didnt do well so, ill go for 40-46
    For entire paper
    That is pretty good considering the paper given
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    (Original post by hamza02016)
    ****. I got percsntage difference as 10. Something
    I got 5%, it depends on where you choose the P.D., I chose 2.25V
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    (Original post by Bloom <3)
    Phewwww
    I think i am good in this qs then 😃
    Haha don't stress, you'll do well.. what do you think about the grade boundary?
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    Guys this was the hardest paper I've done.... literally gone from getting at least 80% on papers to possibly failing this one 😭 I missed out so many questions 😭😭
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    (Original post by Mesuteyezil)
    Hey there, last question was quite easy..you were supposed to say that the atoms of the element ( I think it was sodium ) get excited and move to higher energy levels, later, when they do return, they emit photons- only certain energy levels are possible... energy of the photon must equal the difference in the energy levels and as a result, there are only limited no. of energy differences corresponding to the set frequency and wavelength
    Last q was rushed but I wrote the same thing as u


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    why did i find this paper OK? the questions were relatively easier than few past papers..anyone else?
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    (Original post by Zainat0987)
    4.6
    same
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    (Original post by Sunethra)
    Last q was rushed but I wrote the same thing as u


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    6mks in the bag already! Grade boundary predictions?
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    waiting for model answer...
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    'A' should be at 46 BAS
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    (Original post by SH B))
    'A' should be at 46 BAS
    Wow that's low

    What's BAS?
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    (Original post by Mesuteyezil)
    Hey there, last question was quite easy..you were supposed to say that the atoms of the element ( I think it was sodium ) get excited and move to higher energy levels, later, when they do return, they emit photons- only certain energy levels are possible... energy of the photon must equal the difference in the energy levels and as a result, there are only limited no. of energy differences corresponding to the set frequency and wavelength
    Yeah wrote exact same things..but the ques was may b of 6 marks..
    Writing these may be we will get at least 4 mark but yeah i just cudnt workout anything else for this ques
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    (Original post by Hamadtype-)
    E=HF
    E=IVT
    IVT=HF
    IV x1/F = HF
    H= [ IV (1/F) ] / F
    That's completely wrong mate
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    Well the p.d of the resistor was 1,6 V u don't include the e.m.f because some volatge was used by the internal resistance regardless. The internal resistor is kind of like a second resistor in the circuit. So ya 4. something was the right answer. Also plancks constant was calculated by using W=QV of an electron and then equating it to E=hf. Then ya perecantage uncertanity and such and it was off by like 10% for me
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    (Original post by Blazyy)
    Wow that's low

    What's BAS?
    just pakistani words xD
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    (Original post by SH B))
    just pakistani words xD
    lol ye nhi hone wala xD
    A will be around 50s
    it wasnt that hard though
 
 
 
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