Chapter 3

Question 1

Electromagnetic waves types from highest to lowest

Answer 1

Radiowaves,microwaves,infrared light, visible light, ultraviolet light, x-rays, and gamma rays

Question 2

Waves all travel at the same velocity which is

Answer 2

The speed of light 3×10^8m/s

Question 3

What do waves differ in?

Answer 3

Energy, wavelength, and frequency

Question 4

What is the range of wavelengths on the EMS

Answer 4

10^6 to 10^-16

Question 5

What is the range of frequencies on the EMS?

Answer 5

10^2 to 10^24

Question 6

What are wavelengths measured in?

Answer 6

Meters

Question 7

What are frequencies measured in?

Answer 7

Hertz (Hz)

Question 8

What radiation originates from the atom?

Answer 8

Electromagnetic

Question 9

What does the formula E=hf represent

Answer 9

The energy of electromagnetic radiation. E=Energy h= Planks constant f= frequency

Question 10

What is Planks constant measured in eV seconds?

Answer 10

4.135×10^-15

Question 11

What is Planks constant measured in Joules

Answer 11

6.626×10^-34

Question 12

What is energy measured in?

Answer 12

eV

Question 13

What is the range of energy on the EMS

Answer 13

10^-12 to 10^10 eV

Question 14

Electromagnetic radiation exhibits properties of particles and waves depending upon its energy

Answer 14

True

Question 15

What is amplitude

Answer 15

The maximum height of the a wave

Question 16

What is wavelength?

Answer 16

It is a measure of the distance between the peak of one wave to the next wave

Question 17

What is frequency

Answer 17

Number of waves that pass a given point per second

Question 18

What is the formula for calculating wavelength or frequency?

Answer 18

Velocity=frequency×wavelength

Question 19

Velocity is replaced by what in the the formula V=F×Wavelength

Answer 19

Speed of light

Question 20

Formula for solving frequency after isolating the unknown value C=F×wavelength

Answer 20

F=c/wavelength

Question 21

Formula for solving wavelength after isolating the unknown value C=F×wavelength

Answer 21

Wavelength=c/f

Question 23

Formula for Inverse Square Law

Answer 23

I1/I2=D2^2/D1^2

Question 24

1 megahertz=…. hz

Answer 24

1,000,000

Question 25

X-rays and radiopharmaceuticlas are man-made forms of radiation

Answer 25

True

Question 26

Where is a beta particle emitted from?

Answer 26

The nucleus

Question 27

1 kilohertz=....hertz

Answer 27

1,000 hz

Question 28

Which energy level of radiation acts more like waves than particles?

Answer 28

Lower energy levels

Question 29

Electromagnetic theory was developed when and by who

Answer 29

Late 1800's and by Maxwell

Question 30

Microwaves heat up stuff by

Answer 30

Vibration

Question 31

What is half-life

Answer 31

The time for half of the remaining atoms in an amount of radiation element to decay

Question 32

What are two types of particulate radiation?

Answer 32

Alpha and beta particles

Question 33

10^-24 is within the range for wavelength on thr EMS

Answer 33

False.

Question 34

What is the wavelength of a photons with a frequency of 2.42×10^19 Hz?

Answer 34

1.24+10^-11 m

Question 35

A photons has a wavelength of 3×10^-12 m, what is the frequency?

Answer 35

1×10^20Hz

Question 36

The intensity of source at 15 in is 10 R. What will the new intensity be at 45in?

Answer 36

1.11 R

Question 37

The intensity of from a source is 25 R at 40 inches. What is the new distance if intensity is now 100R?

Answer 37

20 inches