Join TSR now and get all your revision questions answeredSign up now

The Physics PHYA2 thread! 5th June 2013 Watch

  • View Poll Results: What mark do you think you got out of 70?
    0-20
    6
    3.02%
    21-40
    11
    5.53%
    41-50
    29
    14.57%
    51-60
    79
    39.70%
    61-70
    74
    37.19%

    • Thread Starter
    Offline

    1
    ReputationRep:
    (Original post by BigBadJFly)
    I thought it did reflect for 5d? :confused:
    Explain?

    This is what I remember
    Attached Images
     
    Offline

    0
    ReputationRep:
    (Original post by t-mister)
    I hope the grade boundaries are quite low this year as I do not think I got higher than 50. Are you planning on going to uni?
    Yeah I want to go to Oxford! What about you
    Offline

    1
    ReputationRep:
    (Original post by february-girl)
    Full marks will probs 70 :-) like I said, it was not a difficult paper... Absolute beauty of a paper in fact!


    Posted from TSR Mobile
    There's no way it'll be 70.
    Offline

    0
    ReputationRep:
    (Original post by .raiden.)
    Explain?

    This is what I remember
    However the normal was at a a angle of 22 to the triangle you just drew so the actual angle of incidence is 22+ the angle of incidence you thought you got and therefore it is around 53>critical angle
    Offline

    1
    ReputationRep:
    (Original post by .raiden.)
    Explain?

    This is what I remember
    No you had to add 30 to 22 to get 52, which is greater that the critical angle (50 or something), therefore it reflected
    Offline

    0
    ReputationRep:
    (Original post by Aarongreatbanks)
    Yeah I want to go to Oxford! What about you
    I want to go either Britsol or Warwick, my strongest subject is Maths so hopefully to do that as a degree. Good luck to you
    Offline

    2
    ReputationRep:
    (Original post by .raiden.)
    Explain?

    This is what I remember
    yep that is what i got !! except that it refracted away from normal because it went into an optically less dense material
    Offline

    2
    ReputationRep:
    (Original post by ccashman)
    Who found this paper harder than January 2013?
    the grade boundary for an A was 50 for Jan 13, what do you reckon this ones will be?
    I think 120 UMS will be 63, so maybe 53 for an A
    Offline

    1
    ReputationRep:
    (Original post by t-mister)
    I may be wrong, but we won't know until the mark scheme comes out
    (Original post by .raiden.)
    Explain?

    This is what I remember
    You're diagram misses the part where the normal is an extra 22 degrees off bringing it over the critical angle. In fairness their diagram was confusing.
    • Thread Starter
    Offline

    1
    ReputationRep:
    (Original post by Aarongreatbanks)
    However the normal was at a a angle of 22 to the triangle you just drew so the actual angle of incidence is 22+ the angle of incidence you thought you got and therefore it is around 53>critical angle
    I don't know which angle you're talking about? What is 22?
    Offline

    1
    ReputationRep:
    (Original post by trentjoseph007)
    I think everyone realised? I haven't seen any respond to it as if it were a double slit question.

    OK so what would ur answer be?
    For the very last part of the question?
    (Original post by Aarongreatbanks)
    Thanks for your time
    No problem.
    Offline

    0
    ReputationRep:
    (Original post by BigBadJFly)
    That's what I thought :confused:?
    Yeah but you have to mention what type of seismic wave it is. Is it a primary or secondary
    Offline

    0
    ReputationRep:
    what do you think grade boundaries will be like
    Offline

    0
    ReputationRep:
    (Original post by .raiden.)
    Explain?

    This is what I remember
    the diagram is wrong ... the normal was already drawn for u with a extra 22 degrees.
    • Thread Starter
    Offline

    1
    ReputationRep:
    (Original post by trentjoseph007)
    the diagram is wrong ... the normal was already drawn for u with a extra 22 degrees.
    Can someone draw it?
    Offline

    3
    ReputationRep:
    (Original post by .raiden.)
    Explain?

    This is what I remember
    There was an extra angle on the diagram

    so it was actually Name:  3452432.jpg
Views: 248
Size:  40.6 KB
    Offline

    0
    ReputationRep:
    (Original post by t-mister)
    I want to go either Britsol or Warwick, my strongest subject is Maths so hopefully to do that as a degree. Good luck to you
    Same here! Bristol is one of my options as I live here!
    Offline

    0
    ReputationRep:
    (Original post by HenryD)
    For the very last part of the question?
    YES.
    • Thread Starter
    Offline

    1
    ReputationRep:
    (Original post by Goods)
    There was an extra angle on the diagram

    so it was actually Name:  3452432.jpg
Views: 248
Size:  40.6 KB
    Hmm I don't think I really looked for this extra angle
    Offline

    1
    ReputationRep:
    (Original post by .raiden.)
    I don't know which angle you're talking about? What is 22?
    you had to add 30 (you were given this) and 22 (had to work this out - think there was an isosceles triangle or something) to get the angle of incidence (52)
 
 
 
Poll
If you won £30,000, which of these would you spend it on?

The Student Room, Get Revising and Marked by Teachers are trading names of The Student Room Group Ltd.

Register Number: 04666380 (England and Wales), VAT No. 806 8067 22 Registered Office: International House, Queens Road, Brighton, BN1 3XE

Quick reply
Reputation gems: You get these gems as you gain rep from other members for making good contributions and giving helpful advice.