REFLECTION AND MIRRORS

Question 1

bouncing back of light

Answer 1

Reflection

Question 2

Line that separates incident ray and reflected ray

Answer 2

Normal

Question 3

It divides 2 ray into 2 angles

Answer 3

Normal

Question 4

Ray 1 is also known as

Answer 4

Incident ray

Question 5

Ray 2 is also known as

Answer 5

Reflected ray

Question 6

Initial ray that will touch the object

Answer 6

Incident ray

Question 7

ray that bounces back

Answer 7

Reflected ray

Question 8

Angle 1 is also known as

Answer 8

Angle of incidence

Question 9

Angle 2 is also known as

Answer 9

Angle of reflection

Question 10

Angle between the incident ray and normal

Answer 10

Angle of incidence

Question 11

Angle between normal and reflected ray

Answer 11

Angle of reflection

Question 12

Total degrees of angle

Answer 12

180⁰

Question 13

imaginary line between incident and reflected ray

Answer 13

Normal

Question 14

2 types of reflection

Answer 14

Regular/specular and diffuse

Question 15

reflection that has a smooth surface

Answer 15

Regular/specular reflection

Question 16

reflection that has an irregular pattern and rough surface

Answer 16

Diffuse reflection

Question 17

2 main ideas of law of reflection

Answer 17

1. Incident, normal and reflective ray will all be in a single surface.
2. Angle of incidence should be equal to angle of reflection.

Question 18

Mirror that will reflect an actual image

Answer 18

Plane mirror

Question 19

flat mirror

Answer 19

Plane mirror

Question 20

2 types of image

Answer 20

Real image and virtual image

Question 21

Are real images inverted or always upside down?

Answer 21

Yes

Question 22

Are virtual images upright?

Answer 22

Yes

Question 23

This image can be found in screens

Answer 23

Virtual image

Question 24

2 types of spherical mirror

Answer 24

concave convex

Question 25

curvature is going inwards

Answer 25

concave

Question 26

curvature is going outwards

Answer 26

convex

Question 27

also known as converging mirror

Answer 27

concave

Question 28

also known as diverging mirror

Answer 28

convex

Question 29

reflected rays will intersect at the principal focus

Answer 29

concave

Question 30

reflected rays will go away from one another

Answer 30

convex

Question 31

straight line that connects the center, focus, vertex

Answer 31

optical axis or principal axis

Question 32

center of the sphere from where the mirror was taken

Answer 32

center of curvature

Question 33

center of curvature is denoted by

Answer 33

(C)

Question 34

The center of the mirror. It sometimes the pole of the mirror.

Answer 34

vertex

Question 35

vertex is denoted by

Answer 35

(V)

Question 36

is the radius of the sphere.

Answer 36

radius of curvature

Question 37

radius of curvature is denoted by

Answer 37

(R)

Question 38

refers to the width of the mirror

Answer 38

aperture

Question 39

aperture is denoted by

Answer 39

(AB)

Question 40

is the point where the reflected rays meet for converging mirror

Answer 40

principal focus

Question 41

principal focus is denoted by

Answer 41

(F)

Question 42

the point where the reflected rays seem to come from behind a diverging mirror.

Answer 42

principal focus

Question 43

is the distance from the pole to the principal focus

Answer 43

focal length

Question 44

focal length is denoted by:

Answer 44

(f)

Question 45

The focal length is ______ of the radius of curvature

Answer 45

one half

Question 46

True or false The image formed by a convex mirror is never real because the reflected rays spread out from the mirror.

Answer 46

True

Question 47

True or false Images formed by a convex mirror are always virtual, upright, and smaller than the object.

Answer 47

True

Question 48

True or false A concave mirror can produce a real or virtual images

Answer 48

True

Question 49

method to describe the size of an object

Answer 49

ray diagramming

Question 50

used to determine the apparent location of an image formed by a plane mirror

Answer 50

ray diagram

Question 51

point of intersection of 2 incident rays

Answer 51

location of object

Question 52

point of intersection of 2 reflected rays

Answer 52

location of image

Question 53

Complete the sentence: If the ray passes through the center of curvature;

Answer 53

It is reflected along itself (both incident and reflected)

Question 54

If the incident is parallel to the optical axis;

Answer 54

the reflected ray will pass through the focus

Question 55

If the incident ray passes through the principal focus;

Answer 55

the reflected ray will be parallel to the optical axis