Radiation Flashcards
1
Q
Activity definition
A
The number of nuclear decays per second
2
Q
Absorbed dose
A
The energy absorbed by a material per unit mass
3
Q
Equivalent dose
A
Tbh e absorbed dose multiplied by the radiation weighting factor
4
Q
Equivalent dose rate
A
The equivalent dose per unit time
5
Q
Half life
A
The time taken for the activity of a radioactive source to decrease to half of it’s original value
6
Q
What is the average annual background radiation in uk
A
2.2 mSv
7
Q
What is the average annual effective dose limit for a member of the public in the uk is
A
1mSv
8
Q
What is the average annual effective dose limit for a member of the public in the uk
A
20mSv