Optics

Question 1

What is the relation between the angle of ——— and the angle of ———

Answer 1

Incidence and reflection

The angle of reflection is the same as the angle of incidence

Question 2

How does light travel?

Answer 2

In straight lines

Question 3

How fast does light travel / speed of light

Answer 3

3x10⁸ meters per second

Question 4

Name the electromagnetic spectrum in order

Answer 4

Radio waves
Microwaves
Infrared
Visible spectrum
Uv
X ray
Gamma ray

Question 5

Name the 2 types of lenses

Answer 5

Concave and convex

Question 6

What type of lens is used to correct short sight ?

Answer 6

Concave

Question 7

What kind of lens is used to correct long sight?

Answer 7

Convex

Question 8

Draw me what happens if you have long sight and how to correct it

Answer 8

Draw it

Question 9

Draw me what happens if you have short sight and how to correct it

Answer 9

Draw it

Question 10

Name each part of the eye and what they do and also draw a diagram

Answer 10

Lens, pupil,iris, cornea , retina, optic nerve
NOW DRAW !👺👺👺👺👹👹

Question 11

Draw what happens when 3 rays of light hits a concave lens

Answer 11

(the light goes outwards) DRAW IT 👹👹👺👹👺👹👺

Question 12

Draw what happens when 3 rays of light hits a convex lens

Answer 12

(the light goes inwards) DRAW IT!!!!👺👹👹👺👺👹👺👹👺👺🥰

Question 13

Draw what happens when a white light hits a —–

Answer 13

(prism) DRAW ME IT YOU PEASANT 👺👹👹👺👹👹👺🥰

Question 14

Name the colours if the visible / white light spectrum in order

Answer 14

Red
Orange
Yellow
Green
Blue
Indigo
Violet

Question 15

what is the difference between long and short sight?

Answer 15

short sight is when you cant see faraway items or backrounds and long sight is when you cant see things upclose