Uses Of Waves

Question 1

Radio waves

Answer 1

TV and FM broadcasting

Communications

Question 2

Microwaves

Answer 2

Cooking foods, communications (using satellites) and radar

Question 3

Infra-red

Answer 3

Remote controls for television, heaters and night vision equipment

Question 4

Visible light

Answer 4

Optical fibres and photography

Question 5

Ultraviolet light

Answer 5

Fluorescent lamps

Question 6

X-rays

Answer 6

Observing the internal structure of objects and materials and medical applications

Question 7

Gamma rays

Answer 7

Sterilising food and medical equipment

Question 8

Dangers of microwaves

Answer 8

Internal years of body tissue

Question 9

Dangers of infrared

Answer 9

Skin burns

Question 10

Ultraviolet

Answer 10

Damage surface cells
Blindness
Cell mutation or destruction
Cancer

Question 11

Dangers of gamma rays

Answer 11

Ionising
Cell mutation or destruction
Cancer

Question 12

Optic fibres

Answer 12

Bounce waves off a very narrow core
Light enters the fibre at a certain angle
Pulses of light

Question 13

Photography

Answer 13

Pens to do is visible ought

Light sensitive film or electronic sensor