Types Of Radiation

Question 1

What is nucleon number ?

Answer 1

Protons + Neutrons

Question 2

What is proton number ?

Answer 2

The number of protons

Question 3

What is isotopes ?

Answer 3

Same proton
Different neutrons

Question 4

Natural background radiation :

Answer 4

Radon (gas formed in rocks below)
Rocks and buildings
Food
Cosmic rays

Question 5

Man made background radiation :

Answer 5

Medicine (X-Ray)
Nuclear power

Question 6

What are the 3 types of radiation properties ?

Answer 6

Helium Nucleus

Fast moving electron

Electromagnetic wave

Question 7

Penetrating power and what stops it ?

Answer 7

Alpha - low
- paper

Beta - medium
- Aluminium

Gamma - high
- concrete/lead

Question 8

What is the most/least dangerous outside the body ?

Answer 8

Gamma - most
Alpha - least

Question 9

Whats the most/least dangerous inside the body and why ?

Answer 9

Alpha - most
Gamma - least

Due to ionisation

Question 10

How should you measure radioactive decay ?

Answer 10

Over a long period of time
Repeated several times
To reduce fluctuations