Mirrors

Question 1

Images can be either

Answer 1

Real or virtual

Question 2

Real images are when

Answer 2

Light converges at the position of the image

Question 3

Virtual images are when

Answer 3

Light appears to come

Question 4

Plane mirrors always create

Answer 4

Virtual images

Question 5

What is a virtual image?

Answer 5

Image is the same distance both behind the mirror and from the object

Question 6

Spherical mirrors can be either

Answer 6

Concave or convex

Question 7

Focal length is the

Answer 7

Distance between the focal point and the mirror

Question 8

The focal point is where

Answer 8

All light converges

Question 9

What is equation for focal length?

Answer 9

f = r / 2

Question 10

How is the focal length for a concave mirror?

Answer 10

positive, +f

Question 11

How is the focal length for a convex mirror?

Answer 11

negative, -f

Question 12

Concave mirrors are known as

Answer 12

Converging mirrors

Question 13

Convex mirrors are known as

Answer 13

Diverging mirrors

Question 14

What is the radius of curvature (r)?

Answer 14

The distance between the mirror and the center of the object

Question 15

d0 is the distance from the

Answer 15

Mirror to object

Question 16

di is the distance from the

Answer 16

Mirror to image

Question 17

What is the thin lens equation?

Answer 17

1 / f = 2 / r = 1 / o + 1 / i

Question 18

What does the thin lens equation calculate?

Answer 18

Image distance of the object placed in front of a lens / mirror

Question 19

Positive distance dictates a

Answer 19

Real image, one that is in front of the mirror

Question 20

Negative distance dictates a

Answer 20

Virtual image, one that is behind the mirror

Question 21

What is the equation for Magnification?

Answer 21

• i / o

Question 22

A negative magnification results in a

Answer 22

Inverted image

Question 23

A positive magnification results in a

Answer 23

Upright image

Question 24

A converging mirror has what kind of focal length?

Answer 24

+f

Question 25

A diverging mirror has what kind of focal length?

Answer 25

-f

Question 26

How is the image if |m| < 1

Answer 26

Reduced

Question 27

How is the image if |m| > 1

Answer 27

Enlarged

Question 28

What is the relationship between lenses and light?

Answer 28

They refract light

Question 29

What is the relationship between mirrors and light?

Answer 29

They reflect light

Question 30

What is the Lensmaker equation?

Answer 30

1 / f = (n-1)(1/r - 1/r)

Question 31

What is the equation of a lenses power?

Answer 31

P = 1 / f

Question 32

Positive power means the lens is

Answer 32

Converging

Question 33

Negative power means the lens is

Answer 33

Diverging

Question 34

What is the equation used for lens with negligible distances?

Answer 34

1 / f = 1 / f + 1 / f