Electromagnetic Spectrum

Question 1

Electromagnetic spectrum

Answer 1

1. Radiowave
2. Microwave
3. Infrared
4. Visible light
5. Ultraviolet
6. X-rays
7. Gamma rays

Question 2

Radiowave

Answer 2

Longer than 30 cm

Question 3

Radio uses

Answer 3

Communication
Broadcasting

Question 4

Radio hazards

Answer 4

None

Question 5

Microwave

Answer 5

30cm - 1mm

Question 6

Microwave uses

Answer 6

WiFi
Bluetooth
Mobile phones (3G, 4G, 5G)
Microwave (heats water in it)

Question 7

Microwave hazards

Answer 7

Heating of internal tissues

Question 8

Infrared

Answer 8

1mm - 700nm

Heat moving at the speed of light

Question 9

Infrared uses

Answer 9

Grill
Toaster
Night vision

Question 10

Infrared hazards

Answer 10

Skin damage

Question 11

Visible light

Answer 11

Red 700nm
Orange
Yellow
Green
Blue
(indigo)
Violet 400nm

Question 12

Visible light uses

Answer 12

Photography
Camera
Videos

Question 13

Visible light hazards

Answer 13

Eye damage
Can set you on fire (nukes)

Question 14

Ultraviolet

Answer 14

400nm - 10nm

Question 15

Ultraviolet uses

Answer 15

Sun beds/tanning
Anti-counterfeit currency
Florescence (uv -> visible)
Forensics

Question 16

Ultraviolet hazards

Answer 16

Cell mutation (cancer)
Cataract (protein jam in eye)

Question 17

X-rays

Answer 17

10nm and smaller

Question 18

X rays uses

Answer 18

Security
Medical
Engineering

Question 19

X-rays hazards

Answer 19

Cell mutation (cancer)

Question 20

Gamma rays

Answer 20

10nm and smaller

diff between x and gamma is source not length

Question 21

Gamma rays uses

Answer 21

Security
Medical
Engineering
Gaging

Question 22

Gamma hazard

Answer 22

Cell mutation (cancer)