Test 1

Question 1

Electromagnetic radiations have some characteristics of waves and some characteristics of particles. The [a] the energy (e.g., x-rays and gamma rays), the more they act like particles.

Answer 1

Higher

Question 2

Electromagnetic radiations have some characteristics of waves and some characteristics of particles.

The [b] the energy, the more they act like waves (e.g., radio waves and microwaves).

Answer 2

Lower

Question 3

Except for the first shell, a maximum of [X] electrons can exist in the outermost shell of any atom.

Answer 3

8

Question 4

Frequency and wavelength are [x] related.

Answer 4

Inversely

Question 5

Gamma rays come from [b] the nucleus.

Answer 5

Inside

Question 6

If an atom gains an electron it is called a [z] ion.

Answer 6

Negative

Question 7

If an atom loses an electron it is called a [z] ion.

Answer 7

Positive

Question 8

In thermionic emission, the [x] shell electrons are released when the filament is heated

Answer 8

Outer

Question 9

Particals in the [x] travel in waves in a straight path.

Answer 9

electromagnetic spectrum

Question 10

The correct name that is represented by the letters K, L, M, N, O, P, and Q of an atom are the [x]

Answer 10

electron shells

Question 11

The electron binding energy decreases as it gets [x] nucleus

Answer 11

further away from

Question 11

The [u] maintains the vacuum necessary for X-ray production.

Answer 11

glass envelope

Question 12

The electron is the third principle part of the atom. It has [c] charge.

Answer 12

a negative

Question 13

The focusing cup has a ___ charge

Answer 13

negative

Question 14

The letter [x] indicates the electron shell closest to the nucleus.

Answer 14

K

Question 15

the neutron has ___ charge

Answer 15

no

Question 16

the proton has a ___ charge

Answer 16

positive

Question 17

When an atom becomes negatively or positively charged it is usually due to a change in the number of [x]

Answer 17

electrons

Question 18

When the effective focal spot size is made smaller, the actual focal spot is made [o].

Answer 18

smaller

Question 19

When x-rays are described, it can be said that they have a [x] wavelength than radio waves

Answer 19

shorter

Question 20

X-rays are emitted from [a] the nucleus.

Answer 20

outside

Question 21

[x] is defined as the type of energy in x-rays, radio waves, microwaves, and visible light.

Answer 21

electromagnetic radiation

Question 22

[z] defines removal of an electron from an atom.

Answer 22

ionization

Question 23

All of the following are true about the electron except:

It has one unit of negative charge.

It is free to travel from one atoms outermost shell to another.

It is fixed inside the atoms nucleus unable to move.

It exists as the smallest unit of charge.

Answer 23

It is fixed inside the atom s nucleus unable to move.

Question 24

From what metal are the filament wires in radiographic tubes made?

Answer 24

Tungsten

Question 25

In a modern rotating anode, the rotor motion is accomplished by the use of a/an:

Answer 25

Induction motor

Question 26

Necessary properties of x-ray target material include:

Answer 26

High melting point

Question 27

Should the high voltage/high tension cables extending from the ceiling to the X-ray tube assembly ever be used to move the X-ray equipment?

Answer 27

No

Question 28

The anode angle is used to reduce the projected focal spot size in relation to the actual focal spot size. This is called the:

Answer 28

line focus principle