Edexcel P3 June 2008 question paper

This is basically Edexcel P3 physics june 2008 past paper

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Surname Initial(s)
Centre
Paper Reference
No.
Signature
Candidate
No. 5 0 4 9 0 1
Paper Reference(s)
5049/01 Examiner's use only
Edexcel GCSE Team Leader's use only
Physics
P3 ­ Topics 5 and 6 Question Leave
Wednesday 11 June 2008 ­ Afternoon Number Blank
1
Time: 1 hour
2
3
Materials required for examination Items included with question papers
Calculator Nil 4
5
6
7
8
9
Instructions to Candidates
In the boxes above, write your centre number, candidate number, your surname, initial(s) and
signature.
Check that you have the correct question paper.
Answer ALL the questions. Write your answers in the spaces provided in this question paper.
Do not use pencil. Use blue or black ink.
Some questions must be answered with a cross in a box ( ). If you change your mind about an
answer, put a line through the box ( ) and then mark your new answer with a cross ( ).
Show all stages in any calculations and state the units. Calculators may be used.
Include diagrams in your answers where these are helpful.
Information for Candidates
The marks for individual questions and the parts of questions are shown in round brackets: e.g. (2).
There are 9 questions in this question paper. The total mark for this paper is 60.
There are 20 pages in this question paper. Any blank pages are indicated.
Advice to Candidates
You are reminded of the importance of clear English and careful presentation in your answers.
Total
This publication may be reproduced only in accordance with
Edexcel Limited copyright policy.
©2008 Edexcel Limited. Turn over
Printer's Log. No.
N33026A
W850/R1536/57570 6/5/4/2/5000
*N33026A0120*

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FORMULAE
You may find the following formulae useful.…read more

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TURN OVER FOR QUESTION 1
3
*N33026A0320* Turn over…read more

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1. (a) What is meant by basal metabolic rate?
.......................................................................................................................................
(1)
(b) Alistair wants to increase his basal metabolic rate.
Tick all of the methods in the table below which would increase his basal metabolic
rate.
method tick
sleep more
take more exercise
eat less
increase muscle to fat ratio
eat a more balanced diet
(3)
(c) The table shows how Alistair's body uses his daily energy input.…read more

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(i) Complete the bar chart to show his daily energy use.
20
percentage of total
daily energy use
10
0
liver brain heart kidneys skeletal other exercise digestion
muscle systems
(1)
(ii) Which of the organs shown uses the least energy each day?
................................................................................................................................…read more

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2. Toni is revising her physics for an exam.
Her revision book has the following diagram of a cathode ray tube.
F
B D
E
A 6Vac G
F
C
(a) Which letter shows
(i) the anode,
................................................................................................................................
(1)
(ii) the cathode?
................................................................................................................................…read more

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(b) Complete the following sentences by putting a cross ( ) in the correct box.
anode.
(i) The electron beam is produced by the heated cathode.
screen.
air.
(ii) The inside of the tube contains a gas.
a vacuum.
light waves
(iii) When the electrons hit the screen, microwaves are produced.
radio waves
decrease.
(iv) When the heater current is increased
the number of electrons produced will increase.
stay the same.…read more

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3. Toni's notes are incomplete.
She has the following neutron/proton graph for stable isotopes.
130
120
110
100
number of 90
neutrons 80
70
60
50
40
30
20
10
0
10 20 30 40 50 60 70 80 90100
number of protons
(a) Mark with an X on the diagram, the position of an unstable isotope which has too
many neutrons.
(1)
(b) Complete the following sentences by putting a cross ( ) in the correct box.
particles.…read more

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4. (a) (i) Explain what is meant by refraction of light.
................................................................................................................................
................................................................................................................................
(1)
(ii) Complete the following diagram to show the path of a ray of light through an
optical fibre.
An accurate diagram is required.
optical
fibre
ray of
light
(2)
(b) Max has suspected kidney stones.
They cause him a lot of pain.
His surgeon wants to use an endoscope to
examine the kidney stones.
(i) Explain how an endoscope works.
................................................................................................................................
................................................................................................................................
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5. Five years ago Sohanna was diagnosed
with breast cancer.
She had treatment and the cancer went
into remission.
Recently her doctor told her that the
cancer had spread into her neck bones.
She needs palliative therapy.
(a) Explain what is meant by palliative therapy.
.......................................................................................................................................
.......................................................................................................................................
(1)
(b) Sohanna is given a course of external radiation therapy using a radioactive isotope.
This lasts a few minutes on each of ten consecutive days.…read more

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