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OCR Gateway Physics P4P5P6 - 18/06/13

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Reply 720

BP_Tranquility

Original post by Knowing

I only got 2 ticks:

Particle = reflection
Wave = diffraction

What was your extra tick?

Original post by joeyy

i put a tick for waves and reflection

I put a tick for both waves and particles for reflection and just waves for diffraction

Reply 721

joeyy

message me if you wanna ****

Reply 722

Notirem

I know this is nothing to do with this thread but checking the grade boundaries for jan2013 p123 and it says for an A you need raw mark of your 37/75 which is 49% however at UMS it says you need 112/140 which is 80%. Im confused? ???? What percentage do u need for an A in p123? And what do u guys think we will need overall?

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Reply 723

joeyy

Original post by BP_Tranquility

I put a tick for both waves and particles for reflection and just waves for diffraction

yeah same so 3 ticks in total 2 for wave one for partical

Reply 724

Knowing

Original post by Notirem

That just means 37/75 converts to 112/140 UMS. UMS is the final mark that determines your grade, the raw mark determines your UMS.

Reply 725

Knowing

Original post by joeyy

yeah same so 3 ticks in total 2 for wave one for partical

Ok well I got that one wrong then

Reply 726

L'Evil Fish

Original post by Knowing

Ok well I got that one wrong then

Same, I got a few it seems...

Oh well still 60+ I think

Reply 727

Elcor

Original post by Knowing

Did you accidentally miss out a page? :wink:

I kid

but yeah, Physics has been one of the toughest on time this year - you must've finished earlier on Bio and Chem?

No with Bio and Chem I was finishing the last question on the last few minutes :tongue:

I think it was because this exam had a lot of calculations that generally take less time than writing questions if you know how to do them

Reply 728

Elcor

Original post by BP_Tranquility

I put a tick for both waves and particles for reflection and just waves for diffraction

Original post by joeyy

yeah same so 3 ticks in total 2 for wave one for partical

I did that too :biggrin:

I remember reading it in the revision guide

Reply 729

DeadUnicorn

Original post by Knowing

I hope the grade boundaries are much lower for this exam - I swear it was much harder than the Bio and Chem ones?! Almost everyone that came out of the exam in my school found it difficult (first exam this has happened)

Okay this is the only post that has given me some inkling of hope D: That was a bloody nightmare of an exam, I nearly had a panic attack :eek:

Reply 730

Notirem

So what did I get literally get, 76% of the answers correct OR 39% of the answets correct?

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Reply 731

DeadUnicorn

For the tracer question, did anyone write about how it's being used to detect leaks? And I got really stumped on the first question, about ultrasound? I wrote about how the rarefaction is between the compression areas in a wave :s-smilie:

Reply 732

Mutleybm1996

Original post by Adikurdyla

For the voltage/ current curved graph was the item in the box a filament bulb? Also what was the crossword? Helium, neutrons and rods?

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It was a diode :smile:

Lamps are an S shape not an _/ shape

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Reply 733

NatashaG

Original post by joeyy

yeah same so 3 ticks in total 2 for wave one for partical

revision guide says reflection is only partical theory though

Reply 734

Elcor

Original post by NatashaG

revision guide says reflection is only partical theory though

But waves reflect too, so it also explain wave theory

Reply 735

Mutleybm1996

Original post by andersson

But waves reflect too, so it also explain wave theory

So what was the answer?:/

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Reply 736

Knowing

Original post by andersson

But waves reflect too, so it also explain wave theory

What was the exact question asking for?

Reply 737

Notirem

Original post by Knowing

That just means 37/75 converts to 112/140 UMS. UMS is the final mark that determines your grade, the raw mark determines your UMS.

So did I get 49% of the marks in the exam or 76%??????

Reply 738

BP_Tranquility

Original post by NatashaG

revision guide says reflection is only partical theory though

Well, put it this way- when you look at an object, light (which is an EM wave) reflects off it and enters your eyes. A red object absorbs all the colours in white light but reflects only red light. However, particles can also reflect because when ultrasound is used to scan the body, the sound wave (which are made up of particles) reflects off the different tissues and is detected by the probe... :wink:

Reply 739

Elcor