OCR A AS Physics 2019 Breadth (14th May) Unofficial Markscheme Watch

Poll: Marks you think you got
10-20 (0)
0%
20-30 (7)
12.96%
30-40 (7)
12.96%
40-50 (15)
27.78%
50-60 (11)
20.37%
60-70 (14)
25.93%
localmemelord
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#21
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#21
What did everyone get for the de Broglie wavelength question?
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thekidwhogames
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#22
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#22
(Original post by localmemelord)
What did everyone get for the de Broglie wavelength question?
8 x 10^soemrhing

Use the formula iirc
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peeked
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#23
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#23
(Original post by thekidwhogames)
Give it tj the precision of the q but most of these calc were proof
Okay thank and yeah thank you, how are you preparing for Depth on Friday then
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thekidwhogames
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#24
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#24
(Original post by peeked)
Okay thank and yeah thank you, how are you preparing for Depth on Friday then
No worries and just gonna read over the book again and do questions
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Jjhrvy_
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#25
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#25
Think I got 8.5*10^-11 but i cant really remember
(Original post by thekidwhogames)
8 x 10^soemrhing

Use the formula iirc
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peeked
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#26
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#26
oh okay sounds good, good luck
(Original post by thekidwhogames)
No worries and just gonna read over the book again and do questions
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thekidwhogames
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#27
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#27
(Original post by peeked)
oh okay sounds good, good luck
You too 👍
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MeiSucks
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#28
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#28
I found it so easy, I was done in 30 minutes
(Original post by Jjhrvy_)
Think I got 8.5*10^-11 but i cant really remember
(Original post by asifmahmoud)
How did everyone find it? Personally i was rushing towards the end cause spent too much on the MCQs. Can we start an unofficial markscheme here? Thank you!!
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localmemelord
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#29
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#29
Oh sorry
(Original post by MeiSucks)
I found it so easy, I was done in 30 minutes
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Decoder
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#30
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#30
What did you guys put for the multiple choice for refractive index? And the vector multiple question where you had to add the vectors? I put D for the vector one
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thekidwhogames
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#31
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#31
(Original post by Decoder)
What did you guys put for the multiple choice for refractive index? And the vector multiple question where you had to add the vectors? I put D for the vector one
Vector wa a vertical line downwards
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Decoder
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#32
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#32
Did anyone get 144 something for the multiple choice on kWh cost comparison
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thekidwhogames
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#33
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#33
(Original post by Decoder)
Did anyone get 144 something for the multiple choice on kWh cost comparison
Yes the money saved
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Decoder
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#34
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#34
Was it not diagonally downwards? The last choice on that question? Because I measured the vectors with a ruler and the horizontal one was smaller by 0.4 cm
(Original post by thekidwhogames)
Vector wa a vertical line downwards
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Decoder
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#35
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#35
There was a multiple choice question on stationary waves in a bottle and I put the first diagram down. The one with nodes and anti nodes. Also what did everyone get for the ball being dropped multiple choice question where you had to use suvat.
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Decoder
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#36
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#36
Oh and also the uncertainty multiple choice question which asked which one was the least accurate value for 9.81. I put A for that one.
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mathschem
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#37
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#37
what did you guys get for the 6 mark one?
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GDA Lover
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#38
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#38
Does anyone remember more of the MCs and can share their answers?
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Decoder
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#39
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#39
1st one: Charge is Coulomb
2nd one: Compressive is at top middle arrow pointing down.
kWh cost save was 144 pounds or something.
Stationary wave going through the tube with closed end was the first one I think.
The vector question i believe was diagonally downwards but may have been vertically downwards.
Intensity was KgS^3.
The least accurate value for g (9.81) was the first choice (A).
I got 4 for one of the multiple choice but cant remember which one.



(Original post by GDA Lover)
Does anyone remember more of the MCs and can share their answers?
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Decoder
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#40
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#40
What's the other condition for an object to be in equilibrium other than resultant force adding to make 0? That was the first question on section B
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