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OCR 2024 AS Level Physics A H156/01 Breadth in physics Question paper and mark scheme merged
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OCR 2024 AS Level Physics A H156/01 Breadth in physics Question paper and mark scheme merged
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OCR 2024 AS Level Physics A H156/01 Breadth in physics Question paperand mark scheme merged
Oxford Cambridge and RSA
AS Level Physics A
H156/01 Breadth in physics
Wednesday 15 May 2024 – Morning
Time allowed: 1 hour 30 minutes
BY: Click2distinction
INSTRUCTIONS
• Use black ink. You can use an HB pencil, but only for graphs and diagrams.
• Write your answer to each question in the space provided. If you need extra space use the lined
pages at the end of this booklet. The question numbers must be clearly shown.
• Answer all the questions.
• Where appropriate, your answer should be supported with working. Marks might be given
for using a correct method, even if your answer is wrong.
INFORMATION
• The total mark for this paper is 70.
• The marks for each question are shown in brackets [ ].
• This document has 28 pages.
ADVICE
• Read each question carefully before you start your answer.
OCR is an exempt Charity
Turn over
, 2
Section A
You should spend a maximum of 25 minutes on this section.
Write your answer to each question in the box provided.
1 Which is an S.I. base unit?
A amp
B coulomb
C ohm
D volt
Your answer [1]
2 Two waves, of wavelength λ, undergo constructive interference.
What is a possible path difference between the two waves?
A
4
B
2
3λ
C 2
D
Your answer [1]
© OCR 2024
, 3
3 A copper wire P has electrical resistance R and number density of charge carriers n.
A copper wire Q has:
• area of cross section equal to P
• twice the length of P.
Which row gives the correct values of resistance and number density of charge carriers for Q?
Resistance of Q Number density of charge carriers in Q
R
A n
2
R
B 2n
2
C 2R n
D 2R 2n
Your answer [1]
4 The light emitted by a laptop screen is polarised.
The laptop screen is viewed through a polarising filter.
Initially the brightness of the screen appears normal. The
filter is rotated gradually through an angle of 180°.
How does the brightness of the laptop screen appear after the filter has been rotated by 90°, and then by
180°?
After a rotation of 90° After a rotation of 180°
A Dark Dark
B Dark Normal
C Normal Dark
D Normal Normal
Your answer [1]
© OCR 2024 Turn over
, 4
5 The diagram below shows a network of four resistors.
100
P
200 100
Q
200
What is the total resistance between the points P and Q?
A 50 Ω
B 133 Ω
C 150 Ω
D 600 Ω
Your answer [1]
6 The diagram shows a stationary wave on a string.
X
Y
What is the phase difference between the points on the wave labelled X and Y?
A 0
π
B
4
π
C
2
D π
Your answer [1]
© OCR 2024
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