Activity and count rate

Question 1

WHat is the activity of a sample?

Answer 1

Number of decays hat occur each second and is measured in becquerels

Question 2

Radiation given out is detected via..

Answer 2

a geiger-muller tube

Question 3

Name the 3 backround radiation

Answer 3

Radon gas
Cosmic rays
Medical

Question 4

What is radon gas?

Answer 4

-radioactive gas
-has links to lung cancer

Question 5

WHat are cosmic rays?

Answer 5

-high energy gamma waves
-pr partiles from space

Question 6

What is medical radiation used for?

Answer 6

-x-rays and gamma used for imaging and treatment