Radioactivity

Question 1

What is an Alpha Particle?

Answer 1

4/2 He or a

Question 2

What is a Beta Particle?

Answer 2

0/-1 e

Question 3

What is a Positron?

Answer 3

0/+1 e

Question 4

What is a Gamma Ray?

Answer 4

0/0y

Question 5

What kind of protective clothing should you wear when exposed to Alpha Radiation?

Answer 5

Just regular clothing. DO NOT ingest

Question 6

What kind of protective clothing should you wear for Beta radiation?

Answer 6

Heavier clothing, gloves, goggles

Question 7

What kind of protection do you need for Gamma radiation?

Answer 7

Lead or concrete. Very dangerous

Question 8

What is a Curie(Ci)?

Answer 8

The number of disintegrations in 1 sec per 1g of radium. it is 3.7 x 10^10 disintegrations

Question 9

What is SI unit of Ci?

Answer 9

It is a becquerel (Bq). Which is one disintegration

Question 10

What is a rad?

Answer 10

Unit that measures radiation absorbed by a g of material

Question 11

What is an absorbed dose?

Answer 11

a gray (Gy). 1 Gy=1 J/kg

Question 12

How many rad are in a Gy?

Answer 12

100 rad

Question 13

How many rem are in 1 Sv?

Answer 13

100 rem

Question 14

What are the forms of radiation?

Answer 14

Radiowaves, Microwave, infrared radiation, UV radiation, x-ray, Gamma Rays

Question 15

How much does Alpha, Beta, and Gamma radiation penetrate skin?

Answer 15

Alpha- 2-4cm
Beta- 200-300cm
Gamma - 500 m

Question 16

How many Gy in 1 Sv for Beta and Gamma Radiation?

Answer 16

1 Gy

Question 17

How many Sv in 1 Gy for neutrons and protons?

Answer 17

10 Sv

Question 18

How many Sv in 1 Gy for Alpha Radiation?

Answer 18

20 Sv