Join TSR now and get all your revision questions answeredSign up now
    • Thread Starter
    Offline

    0
    ReputationRep:
    In the June 2010 AQA 6X paper, Section 2 Task B, the question asks you to sketch how you positioned your fiducial mark to investigate the time period for an oscillating chain of paper clips. It then asks you to explain why.
    The first mark point was obviously for placing it at the equilibrium position, but the second mark given in the mark scheme was that the fiducial mark should be placed 'below some 3/4 of the length of the chain, and ideally positioned below the end of the chain'.
    In the examiners report, they commented that 'a worrying number of students positioned the fiducial mark behind the chain instead of below, and that relatively few could explain why the fiducial mark should be positioned like so'. My physics teacher does not understand why it should be ideally beneath the chain, or why it is not acceptable to place it behind. Can anyone explain the reasons behind this?
    Offline

    2
    ReputationRep:
    Hi there,

    While you're waiting for an answer, did you know we have 300,000 study resources that could answer your question in TSR's Learn together section?

    We have everything from Teacher Marked Essays to Mindmaps and Quizzes to help you with your work. Take a look around.

    If you're stuck on how to get started, try creating some resources. It's free to do and can help breakdown tough topics into manageable chunks. Get creating now.

    Thanks!

    Not sure what all of this is about? Head here to find out more.
    Offline

    19
    ReputationRep:
    (Original post by tigerboobs)
    In the June 2010 AQA 6X paper, Section 2 Task B, the question asks you to sketch how you positioned your fiducial mark to investigate the time period for an oscillating chain of paper clips. It then asks you to explain why.
    The first mark point was obviously for placing it at the equilibrium position, but the second mark given in the mark scheme was that the fiducial mark should be placed 'below some 3/4 of the length of the chain, and ideally positioned below the end of the chain'.
    In the examiners report, they commented that 'a worrying number of students positioned the fiducial mark behind the chain instead of below, and that relatively few could explain why the fiducial mark should be positioned like so'. My physics teacher does not understand why it should be ideally beneath the chain, or why it is not acceptable to place it behind. Can anyone explain the reasons behind this?
    Increased risk of parallax errors if the mark and the pendulum are at different distances from your eyeball imo.

    tbh it's something you could work around if you thought about it, though you should explain so the examiner doesn't think you're unaware of the possibility.
    • Thread Starter
    Offline

    0
    ReputationRep:
    That makes perfect sense!! Thank you
 
 
 
Poll
Which web browser do you use?

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.