Science W2B - Practical Applications of Different Regions of EM Waves

Question 1

radar: object detection, weather forecasting, military surveillance, and air traffic control

Answer 1

radio

Question 2

automatic doors

Answer 2

radio

Question 3

Wi-Fi

Answer 3

radio

Question 4

Bluetooth

Answer 4

radio

Question 5

GPS (global positioning system)

Answer 5

radio

Question 6

RFID (radio frequency identification)

Answer 6

radio

Question 7

MRI (magnetic resonance imaging)

Answer 7

radio

Question 8

to reduce cellulite on the body, wrinkles and fine lines on the face, and for tightening sagging or loose skin

Answer 8

radio

Question 9

physical distribution management/food safety

Answer 9

radio

Question 10

regional wireless broadband system (WiMax)

Answer 10

radio

Question 11

next generation home information appliances or home network

Answer 11

radio

Question 12

mobile phone

Answer 12

radio

Question 13

ITS

Answer 13

radio

Question 14

robots

Answer 14

radio

Question 15

electric money and fee collection

Answer 15

radio

Question 16

multimedia on maritime radio communication

Answer 16

radio

Question 17

public safety and reliability

Answer 17

radio

Question 18

used for long distance telephone calls before the introduction of optical fibers

Answer 18

microwave

Question 19

used to send signals for cable television, as well as video or audio feeds from production vans to broadcast stations

Answer 19

microwave

Question 20

remote sensing for disaster management and mapping

Answer 20

microwave

Question 21

microwave oven

Answer 21

microwave

Question 22

used in industrial processes for drying and curing products

Answer 22

microwave

Question 23

used to shrink or destroy tumor

Answer 23

microwave

Question 24

used to assess and monitor progress of treatment of breast cancer via tomography (mammogram)

Answer 24

microwave

Question 25

remote controls of television sets

Answer 25

infrared

Question 26

burglar alarm systems

Answer 26

infrared

Question 27

night vision cameras and goggles

Answer 27

infrared

Question 28

certain types of thermometer

Answer 28

infrared

Question 29

Physiotherapists use heat lamps to heal sports injuries.

Answer 29

infrared

Question 30

used for diagnosis and prognosis in oncology, rheumatology, sports medicine, and orthopedics

Answer 30

infrared

Question 31

used to monitor progress in therapy and rehabilitation

Answer 31

infrared

Question 32

helps us see objects

Answer 32

visible light

Question 33

traffic lights

Answer 33

visible light

Question 34

commercial displays

Answer 34

visible light

Question 35

car headlights

Answer 35

visible light

Question 36

car taillights

Answer 36

visible light

Question 37

television display

Answer 37

visible light

Question 38

liquid crystal display (LCD)

Answer 38

visible light

Question 39

touchpad devices

Answer 39

visible light

Question 40

used by plants for photosynthesis

Answer 40

visible light

Question 41

laser (light amplification by stimulated emission of radiation)

Answer 41

visible light

Question 42

used to detect forged bank notes

Answer 42

ultraviolet

Question 43

used to prevent counterfeiters

Answer 43

ultraviolet

Question 44

watermarks in sensitive documents, like credit cards and passports

Answer 44

ultraviolet

Question 45

visa stamps

Answer 45

ultraviolet

Question 46

used during forensic investigations at crime scenes to search for traces of blood and other bodily fluids, fingerprints, and footprints

Answer 46

ultraviolet

Question 47

used to sterilize medical equipment

Answer 47

ultraviolet

Question 48

used to purify water

Answer 48

ultraviolet

Question 49

used in pest control devices

Answer 49

ultraviolet

Question 50

used in fly traps

Answer 50

ultraviolet

Question 51

produces glow-in-the-dark effect

Answer 51

ultraviolet

Question 52

stimulates the production/formation of vitamin D

Answer 52

ultraviolet

Question 53

used in fluorescent lamps

Answer 53

ultraviolet

Question 54

detects abnormalities in the skeletal system like fractures and tumors

Answer 54

x-ray

Question 55

used in dental imaging

Answer 55

x-ray

Question 56

CAT or CT scan (computer axial tomography)

Answer 56

x-ray

Question 57

used in airport security checks to scan passenger luggage

Answer 57

x-ray

Question 58

used to study the arrangement of atoms in a crystal in a process called diffraction

Answer 58

x-ray

Question 59

used in industries to detect cracks in metals

Answer 59

gamma

Question 60

used to sterilize equipment and commercial products

Answer 60

gamma

Question 61

noncontact industrial sensors

Answer 61

gamma

Question 62

food irradiation

Answer 62

gamma

Question 63

used in agriculture to help breed new seed varieties and with higher yields

Answer 63

gamma

Question 64

used to eradicate pests such as fruit flies

Answer 64

gamma

Question 65

used to destroy cancer cells (radiotherapy)

Answer 65

gamma

Question 66

used in _____ knife surgery and stereotactic radiotherapy

Answer 66

gamma

Question 67

used in nuclear medicine scan

Answer 67

gamma