Radiation Quantities and Units - Definitions

Question 1

Units of Energy

Answer 1

Heat unit
MeV
Joule
Rad
cGy

Question 2

Hertz

Answer 2

frequency

Question 3

Ampere

Answer 3

tube current

Question 4

Angstrom

Answer 4

wavelength

Question 5

Coulomb

Answer 5

charge

Question 6

KV

Answer 6

tube potential

Question 7

Rad

Answer 7

absorbed dose

Question 8

Roentgen

Answer 8

exposure

Question 9

Ci

Answer 9

radioactivity

Question 10

MeV

Answer 10

electron beam energy

Question 11

Volt

Answer 11

difference in potential

Question 12

Watt

Answer 12

unit of power; rate of energy transfer in joules/second

Question 13

Kelvin

Answer 13

temperature

Question 14

Candela

Answer 14

luminous intensity

Question 15

Mole

Answer 15

amount of substance

Question 16

Farad

Answer 16

capacitance

Question 17

Ohm

Answer 17

resistance

Question 18

Tesla

Answer 18

magnetic field

Question 19

To solve for amperage:
Current is defined as the flow of charge per unit time. C/sec – amps
Example: 16 coulomb in 2 seconds = ___ amps (16/2=?)

Answer 19

8

Question 20

Pico

Answer 20

Pico = one trillionth (10^12)

Question 21

Nano

Answer 21

Nano = one billionth (10^9)