HIGH FREQUENCY EM WAVES

Question 1

Waves beyond the visible light spectrum

Answer 1

HIGH FREQUENCY EM WAVES

Question 2

EXAMPLES OF HIGH FREQ EM WAVES

Answer 2

ULTRAVIOLET RAYS, X-RAYS, GAMMA RAYS, COSMIC RAYS

Question 3

_ main source of uv rays

Answer 3

SUNLIGHT

Question 4

Production and absorbtionnof calcium

Answer 4

VITAMIN D

Question 5

When the sun is closer to the horizon,

Answer 5

The amount of uv radiation that earth receives is low

Question 6

Two health problems that is caused by UV rays

Answer 6

SKIN CANCER AND CATARACT

Question 7

UV CAN BE CLASSIFIED AS

Answer 7

UVA, UVB, UVC

Question 8

Wavelength of UV rays

Answer 8

40 TO 400

Question 9

Greater possibility that _ will cause more damaging effects to the skin

Answer 9

UVA

Question 10

It can enter the cornea of the eyes…

Answer 10

UVA rays

Question 11

Has been linked to the development of different types of cataract

Answer 11

UV RAYS

Question 12

Correlation of UVA with the formation of an eye problem called

Answer 12

MACULAR DEGENERATION

Question 13

_ Rays HAVE A SHORTER WAVELENGTH BUT HIGH ENERGY THAN UVA

Answer 13

UVB

Question 14

_ rays stimulate the production of melanin

Answer 14

UVB

Question 15

A pigment that gives skin color

Answer 15

MELANIN

Question 16

_ rays are the most harmful to the eyes

Answer 16

UVC

Question 17

The _ blocks these rays and prevents them from reaching Earth’s surface

Answer 17

OZONE LAYER

Question 18

Sunscreen that protect skin by absorbing UV rays are called

Answer 18

ABSORBERS

Question 19

Reflect the UV rays called

Answer 19

BLOCKERS

Question 20

Are electromagnetic waves of higher frequencies than those of ultraviolet rays

Answer 20

X-RAYS

Question 21

Emitted by machines used for medical diagnosis

Answer 21

X-RAYS

Question 22

To measure tiny objects and detect flaws in production

Answer 22

X-RAYS

Question 23

Originate in nuclear power plants and in the radioactive substances in rocks and other earth materials

Answer 23

X-RAYS

Question 24

They carry energy strong enough to cause the ionization of atoms

Answer 24

X-RAYS

Question 25

Can pass through materials at different rates

Answer 25

X-RAY RADIATION

Question 26

Are also used for dental examination

Answer 26

X-RAYS

Question 27

It is considered as a health hazard because of its ionizing property

Answer 27

X-RAYS

Question 28

_ x-rays use low dose of radiation

Answer 28

BONES

Question 29

CAN CAUSE GENETIC DAMAGE OR MUTATION WHICH MAY LEAD TO BIRTH DEFECTS OR DISEASES

Answer 29

X-RAYS

Question 30

Are electromagnetic waves whose energy is 10 k times that of visible light

Answer 30

GAMMA RAYS

Question 31

Is also an ionizing radiation

Answer 31

GAMMA RADIATION

Question 32

Have greater penetrating power than x-ray

Answer 32

GAMMA RAYS

Question 33

They can penetrate many kinds of materials such as concrete walls up to 3m thick and human tissues

Answer 33

GAMMA RAYS

Question 34

ARE EMITTED BY NUCLEUS OF A RADIOACTIVE NUCLIDE

Answer 34

GAMMA RAYS

Question 35

EMITTED BY ELECTRONS THAT SURROUND THE NUCLEUS

Answer 35

X-RAYS

Question 36

HEAVY NUCLIDE OF RADIOACTIVE MATERIALS DURING RADIOACTIVE DECAY

Answer 36

GAMMA RAYS

Question 37

is commonly found in soil, water, and potassium rich food

Answer 37

POTASSIUM-40

Question 38

can kill cancer cells and shrink malignant cells

Answer 38

GAMMA RAYS

Question 39

Another gamma ray emitter that can also kill cancer cells

Answer 39

CESIUM-137

Question 40

gamma ray emitter that is used to treat cancer cells

Answer 40

COBALT-60

Question 41

Energetic cosmic events in space

Answer 41

COSMIC RAYS

Question 42

These rays are produced by stars such as the sun

Answer 42

COSMIC RAYS

Question 43

Are composed of high energy particles of protons and atomic nuclei

Answer 43

COSMIC RAYS

Question 44

Filtered out by the atmosphere

Answer 44

COSMIC RAYS

Question 45

COSMIC RAYS results in the _

Answer 45

NORTHERN LIGHTS (AURORA BOREALIS) IN NORTHERN HEMISPHERE AND SOUTHERN LIGHTS (aurora australis) IN SOUTHERN HEMISPHERE