Uses Of Nuclear Radiation

Question 1

Which two types of radiation can be used as tracers for medical purposes?

Answer 1

Beta and gamma.

Question 2

How do gamma rays help to prevent cancer?

Answer 2

Gamma rays at high doses will kill all living cells. This means that in the right dosage and carefully directed at the cancer it shouldn’t damage too many cells.

Question 3

How can gamma rays be used to sterilise medical equipment?

Answer 3

Gamma rays can destroy and microbes on the equipment.

Question 4

How can gamma rays be used to check turbine blades on airplane jet engines are not cracked or damaged?

Answer 4

Directing gamma rays at the blades and if to much radiation gets through to the other side then the blade is damaged.

Question 5

What type of radiation do smoke alarms use?

Answer 5

Alpha