aqa a level 2021 physics paper 3 question paper with all components included certified questions 2021verified for success
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AQA A LEVEL PHYSICS 2021 PAPER
3 QP ALL COMPONENTS
.SECTION A
SECTION B.ASTROPHYSICS
.ENGINEERING PHYSICS
.TURNING POINTS IN PHYSICS
.ELECTRONICS
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A-level
PHYSICS
Paper 3
Section A
Time allowed: The total time for
both sections of this paper is
Materials
For this paper you must have: 2 hours. You are advised to
a pencil and a ruler spend approximately
a scientific calculator
a Data and Formulae Booklet
70 minutes on this section.
a protractor.
For Examiner’s Use
Instructions
Question Mark
Use black ink or black ball-point pen.
Fill in the boxes at the top of this page. 1
Answer all questions. 2
You must answer the questions in the spaces provided. Do not write 3
outside the box around each page or on blank pages.
If you need extra space for your answer(s), use the lined pages at the end of TOTAL
this book. Write the question number against your answer(s).
Do all rough work in this book. Cross through any work you do not want
to be marked.
Show all your working.
Information
The marks for questions are shown in brackets.
The maximum mark for this paper is 45.
You are expected to use a scientific calculator where appropriate.
A Data and Formulae Booklet is provided as a loose insert.
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Do not write
outside the
Section A box
Answer all questions in this section.
0 1 Figure 1 shows apparatus used to investigate the inverse-square law for gamma
radiation.
Figure 1
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outside the
A sealed source that emits gamma radiation is held in a socket attached to clamp B. box
The vertical distance between the open end of the source and the bench is 138 mm.
A radiation detector, positioned vertically above the source, is attached to clamp T.
A student is told not to move the stands closer together.
0 1 . 1 Describe a procedure for the student to find the value of d, the vertical distance
between the open end of the source and the radiation detector.
In your answer, annotate Figure 1 to show how a set-square can be used in this
procedure.
[2 marks]
Question 1 continues on the next page
Turn over ►
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