Pig

1
Pig P4

• Higher

2
Describe one way gamma rays are different to
x-rays and one way in which they are similar?
3
Describe how gamma rays can be used to treat
cancer
4
Describe how beta or gamma radiation can be used
as a tracer in the body? 3 points
5
What does the word half-life mean?
6
Explain how to find the time taken for the first
half life?
7
What type of objects can be carbon dated and how
is it done (4 points)
8
Which type of radiation is which?(3 marks)

• High energy electron (negative)
• Helium particle 2 protons, 2 neutrons (positive)
• Electromagnetic wave (no charge or mass)

9
Complete the decay equation, what type of decay
is it? (2 marks)
10
What would happen to the atomic number and atomic
mass during beta decay?
n
p
e
11
Describe what happens to a nucleus when a beta
particle is emitted (1)
12
What is the main advantage of x-rays over gamma
rays?
13
Explain how smoke detectors work, including the
type of radiation used3 point
14

• Why would you expect a new rock to contain a
  larger proportion of uranium to lead than an old
  rock?

15
Describe what happens to allow uranium to release
energy in a nuclear power station?
16
What is the difference between fission in a power
station and fission in a bomb?
17
Explain how boron rods are used to control the
reaction in a nuclear power station?
18
How does a nuclear power station turn water into
steam? 3 points