Gamma radiation Flashcards
1
Q
What is gamma radiation?
A
Electromagnetic waves emitted by the nucleus of an atom
2
Q
Why does gamma radiation take place?
A
So the atom can release extra energy. An electron from a higher energy level will emit energy when dropping down energy levels.
3
Q
What is the ionising power of gamma radiation?
A
weakly ionising
4
Q
What is the penetrating power of gamma radiation?
A
it can penetrate very far into materials
5
Q
What is the range of gamma radiation n air?
A
more than 1km
6
Q
What is gamma radiation absorbed by?
A
thick sheets (a few cm) of lead or a few metres of concrete.
