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Radiation Physics

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

The lower the wavelength, the higher the energy of an electromagnetic wave

a)

True

b)

False

2.

Ionization is the process of removing protons from an atom due to the interaction with an electromagnetic wave

a)

True

b)

False

3.

This type of particle is a high speed electron released from a nucleus that turns a proton into a neutron

a)

 α  particle\alpha\ -\ particle  

b)

 βparticle\beta^-particle  

c)

 β+particle\beta^+particle  

d)

Characteristic X-Ray

4.

Gamma radiation always occurs along side alpha or beta emission

a)

True

b)

False

5.

In this interaction a photon hits an outer shell electron, it removes it and the photon changes its direction and loses energy

a)

Compton scattering

b)

Photoelectric effect

c)

Pair production

d)

Coherent scattering

6.

A high energy photon is absorbed by a high atomic number atom and an inner shell electron is ejected. Immediately that void is filled by another electron from a higher energy shell

a)

Compton effect

b)

Photoelectric effect

c)

Coherent scattering

d)

Pair production

7.

This physicist received the Nobel Prize for the discovery of the photoelectric effect

a)

Wilhelm Roengten

b)

Godfrey Houndsfield

c)

Albert Einstein

d)

Peter Mansfield

8.

Characteristic X-rays are produced due to the Compton scattering effect

a)

True

b)

False

9.

Becquerels (Bq) are the most basic unit to measure radiation exposure

a)

True

b)

False

10.

The number of nuclear disintegrations per kilogram of radioactive material is a measure of?

a)

Exposure

b)

Absorbed dose

c)

Effective dose

d)

Equivalent dose

11.

The Curie (Ci) is a unit of radiation exposure based on the number of disintegrations per second of this radioactive element:

a)

Uranium 235

b)

Technetium 99m

c)

Radium 226

d)

Fluorine 18

12.

The absorbed dose and the equivalent dose is the same for the case of X-rays

a)

True

b)

False

13.

The effective dose changes depending on the target tissue

a)

True

b)

False

14.

The exposure to one chest X-Ray exam is equivalent to this amount of natural radiation (background radiation)

a)

3 days

b)

One month

c)

One year

d)

Three years

15.

This type of radiation gave Hulk his powers

a)

Alpha particles

b)

Beta particles

c)

Gamma rays

d)

X-Rays