Light Waves

Question 1

Light wave

Answer 1

Electromagnetic wave
Invisible to human eye (can see effects=sunburns)

Question 2

Lights can be… (3)

Answer 2

Reflected
Refracted
Absorbed

Question 3

Réflection

Answer 3

Rebounding of light when it hits another medium and bounces back from medium it came from

Question 4

Specular reflection

Answer 4

Produces true mirror image
Parallel incoming rays are reflected back parallel

Question 5

Diffuse réflection

Answer 5

Light rays are reflected in many different directions

Question 6

Images in mirrors…(3)

Answer 6

Same size
Same distance in front and behind
Opposite orientation

Question 7

Réfraction

Answer 7

Light changes direction when it passes from one medium to another

Question 8

Converging lense

Answer 8

Causes parallel light rays to come together (thicker middle, thinner ends= eye contacts)

Question 9

Diverging lense

Answer 9

Causes parallel light to move apart

Question 10

Focal point

Answer 10

Converging lense

Question 11

Diverging lense

Answer 11

Notes
Goes outwards

Question 12

Real image

Answer 12

Can be projected onto screens ex; projector,camera

Question 13

Virtual image

Answer 13

Cannot be captured on a reflective surface
Image found by extending reflected rays