EM WAVES

Question 1

waves
that are created as a result of vibrations between
an electric field and a magnetic field.

Answer 1

Electromagnetic wave

Question 2

waves
that are created as a result of vibrations between
an ________ field and a ______ field.

Answer 2

Electric and magnetic

Question 3

Wave that does not require a medium to propagate

Answer 3

EM wave

Question 4

Wave that requires a medium

Answer 4

Mechanical wave

Question 5

Give 5 uses of EM wave

Answer 5

Microwave
Phones
Xray
Radio
Night vision goggles

Question 6

A scottish scientist that developed a scientific theory to explain electromagnetic waves.

Answer 6

James Clerk Maxwell

Question 7

Relationship between magnetism and electricity

Answer 7

Maxwell’s Equation

Question 8

Number of em waves in the electromagnetic spectrum

Answer 8

7

Question 9

longest em wave

Answer 9

Radio wave

Question 10

It has infinite distance

Answer 10

Radio wave

Question 11

Shortest yet most destructive ray

Answer 11

Gamma ray

Question 12

How many x rays per year is prescribed?

Answer 12

2 (every 6 months)

Question 13

EM waves that can penetrate any object

Answer 13

Gamma ray

Question 14

We see because of ______ waves

Answer 14

Light waves

Question 15

Electric firld travels ____

Answer 15

Vertically

Question 16

Magnetic waves travels _____

Answer 16

Horizontally

Question 17

Unit of frequency of a radio wave

Answer 17

Hertz

Question 18

A german physicist that applied the idea of maxwell

Answer 18

Heinrich Hertz

Question 19

Is the velocity of radio waves and light equal?

Answer 19

Yes

Question 20

Velocity of light

Answer 20

3.00 x 10⁸ m/s

Question 21

He invented the reception of radio waves

Answer 21

Heinrich Hertz

Question 22

Can electric and magnetic wave travel separately?

Answer 22

Yes

Question 23

A particle with discrete packets of energy

Answer 23

Photons

Question 24

It is made out of discrete packets of energy called photons

Answer 24

Light

Question 25

Light is both a ____ and a _____

Answer 25

Wave and particle

Question 26

It refers to the same physical phenomenon of light, em waves, and radiation

Answer 26

Electromagnetic energy

Question 27

3 ways to describe EM energy

Answer 27

Frequency, wavelength and energy

Question 28

Number of crests tnat pass and given point within 1 second

Answer 28

Frequency

Question 29

Top part of a wave

Answer 29

Crest

Question 30

Bottom part of a wave

Answer 30

Trough

Question 31

Distance between one crest to another crest

Answer 31

Wavelength

Question 32

relationship of wavelength and frequency

Answer 32

wavelength and frequency is inversely proportional

Question 33

Relationship between frequency and energy

Answer 33

frequency and energy is directly proportional

Question 34

One wave or cycle per second is called

Answer 34

Hertz

Question 35

It is the range of all types of radiation

Answer 35

EM spectrum

Question 36

Energy that travels and spreads put as it goes

Answer 36

Radiation

Question 37

It comes from the lamp of your house

Answer 37

Visible light

Question 38

Comes from radio stations

Answer 38

Radio wave

Question 39

Used in microwave ovens

Answer 39

Microwave radiation

Question 40

Used in night goggles

Answer 40

Infared

Question 41

Emitted by sun and causes our skin to tan

Answer 41

UV light

Question 42

Used to image teeth

Answer 42

Xray

Question 43

Used by airport security to check your bag

Answer 43

Xray

Question 44

The biggest gamma ray generator

Answer 44

Universe

Question 45

Doctors use it to see the imaging of our body

Answer 45

Gamma ray