You must have: Total Marks
Scientific calculator and ruler
Data, Formulae and Relationships Booklet (enclosed)
Instructions
•• Use black ink or ball-point pen.
If pencil is used for diagrams/sketches/graphs it must be dark (HB or B).
• Fill in the boxes at the top of this page with your name,
centre number and candidate number.
•• Answer all questions in Sections A and B.
Answer the questions in the spaces provided
– there may be more space than you need.
Information
•• The total mark for this paper is 80.
The marks for each question are shown in brackets
– use this as a guide as to how much time to spend on each question.
• Instructure
the question marked with an asterisk (*), marks will be awarded for your ability to
your answer logically, showing how the points that you make are related or
follow on from each other where appropriate.
Advice
•• Read each question carefully before you start to answer it.
Try to answer every question.
•• Check your answers if you have time at the end.
You are advised to show your working in calculations including units
where appropriate.
Turn over
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
All multiple choice questions must be answered with a cross in the box for the correct answer
from A to D. If you change your mind about an answer, put a line through the box and then
mark your new answer with a cross .
1 The graph shows how the displacement of particles in a progressive wave varies with
distance along the wave, at a particular instant.
Displacement
Distance
S T
Which of the following is the phase difference between the particles at S and T?
π
A
4
π
B
2
C π
D 2π
(Total for Question 1 = 1 mark)
2
*P74477A0224*
, 2 Two diverging lenses are combined, as shown.
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The focal length of each lens is 0.2 m.
Which of the following is the total power of the combination?
A 5D
B –5 D
C 10 D
D –10 D
(Total for Question 2 = 1 mark)
3 An electron in an atom absorbs energy E and is excited from one energy level to the
next. When the electron returns to its original energy level a photon is emitted.
Which of the following is an expression for the wavelength of the emitted photon?
hc
A
E
E
B
hc
Eh
C
c
c
D
Eh
(Total for Question 3 = 1 mark)
3
*P74477A0324* Turn over
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