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The Physics PHYA2 thread! 5th June 2013 Watch

  • View Poll Results: What mark do you think you got out of 70?
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    (Original post by StalkeR47)
    Could you post a diagram with the question you need help with? Thanks.
    Name:  image.jpg
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Size:  450.2 KB

    wasn't sure how to draw the triangle
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    Does anyone have any predictions for the six mark questions?
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    (Original post by UnknownUsername)
    Does anyone have any predictions for the six mark questions?
    The two that come up quite a LOT are the diffraction ones for young's and stuff or the one about extension and young's modulus of a wire.
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    can anyone explain Q. 4. b) (i) from the jun 2012 paper???

    it's on fibre optics and i really don't understand!

    the fibre is like, bent at 30 degrees and it asks you to calculate the angle of incidence??

    whuuuuttt?

    thankyou!!
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    (Original post by StalkeR47)
    weight is given by, mgsinx.
    Is that always?


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    (Original post by BenChard)
    Name:  image.jpg
Views: 90
Size:  450.2 KB

    wasn't sure how to draw the triangle

    Mmm, it seems you've gotten yourself in a muddle there. You need the line of the weight, to be the hypotenuse. I've just drawn this up, this should help a bit.Name:  paralell.png
Views: 89
Size:  7.7 KB
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    (Original post by BenChard)
    Name:  image.jpg
Views: 90
Size:  450.2 KB

    wasn't sure how to draw the triangle
    This is how you draw.
    Attached Images
     
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    (Original post by Jimmy20002012)
    Is that always?


    Posted from TSR Mobile
    Yes always for the inclined. But, do not remember. Check my diagram. I have posted a min ago. up there.
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    Does anyone have a few steps that can help me when working a question says to show the path of the ray until it returns to air, the seem to always get me! Thanks!!
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    "http://filestore.aqa.org.uk/subjects/AQA-PHYA2-QP-JUN12.PDF"]HYA2-QP-JUN12.PDF[/URL]
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    (Original post by Raimonduo)
    Mmm, it seems you've gotten yourself in a muddle there. You need the line of the weight, to be the hypotenuse. I've just drawn this up, this should help a bit.Name:  paralell.png
Views: 89
Size:  7.7 KB
    Hey cool! How did you draw this clear? Is there a particular software?
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    (Original post by Emma1124)
    Does anyone have a few steps that can help me when working a question says to show the path of the ray until it returns to air, the seem to always get me! Thanks!!
    Do you have an example of such a question?
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    please anyone??
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    January 2013 paper anyone? My teacher lost their login.
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    it's only a one marker so it'll be quick to reply to!!
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    Can you please help me on a question?

    Question 6di from June 2010!

    I'd truly appreciate it
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    (Original post by Raimonduo)
    Mmm, it seems you've gotten yourself in a muddle there. You need the line of the weight, to be the hypotenuse. I've just drawn this up, this should help a bit.Name:  paralell.png
Views: 89
Size:  7.7 KB
    that's really good thanks
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    (Original post by StalkeR47)
    Hey cool! How did you draw this clear? Is there a particular software?
    ms paint lol.




    (Original post by frankieeeeeee)
    please anyone??
    What do you need help with?
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    (Original post by frankieeeeeee)
    it's only a one marker so it'll be quick to reply to!!
    What help do you need?
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    (Original post by Raimonduo)
    ms paint lol.






    What do you need help with?
    Alright! How confident are you feeling for the physics exam?
 
 
 
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