EDEXCEL PHYSICS IGCSE RADIOACTIVITY

Nuclear radiation causes

• Problem

• Ionisation

• Energy

Alpha particles are made up of ..

• 1 protons and 1 neutrons

• 2 protons and 2 neutrons

• 3 protons and 3 neutrons

Alpha particles are

• Big, heavy and slow moving

• Small, lighter and slow moving

• Small, lighter and fast moving

Ionisation power : alpha

• Strong

• Weak

• Normal

Penetration power : alpha

• Strong

• Weak

• Normal

Charge of alpha

• Positive

• Negetive

• Neutral

Are alpha particles deflected by magnetic/ electric fields ?

• Yes

• No

• Some time

Beta particles are

• Electrons

• Protons

• Neutrons

Speed of beta

• Fast

• Slow

• Medium

Size of beta

• Large

• Medium

• Small