Midterm 1: Equations

Question 1

Snell’s law

Answer 1

n1 sin θ1 = n2 sin θ2

Question 1

Snell’s refraction equation

Answer 1

n = c/v

Question 2

Lensmaker’s Formula

Answer 2

1/d0 + 1/di = 1/f + D

Question 3

Lensmaker’s Formula: what does d0 mean?

Answer 3

distance to object

Question 4

Lensmaker’s Formula: what does di mean?

Answer 4

distance to lens from image

Question 5

Lensmaker’s Formula: what does f mean?

Answer 5

focal length of lens

Question 6

How to convert mm to meters

Answer 6

move over 2 decimal points to left

Question 7

Snells Law: what does n stand for?

Answer 7

index of refraction

Question 8

Snells Law: what does c stand for?

Answer 8

speed of light in vacuum

Question 9

Snells Law: what does v stand for?

Answer 9

speed of light in a medium

Question 10

Depth from disparity formula

Answer 10

Δ = - δ * d2hor/I

Question 11

Depth from disparity formula: what does d2hor mean?

Answer 11

distance eye to horopter

Question 12

Depth from disparity formula: what does I mean?

Answer 12

Interocular distance

Question 13

Depth from disparity formula: what does δ mean?

Answer 13

crossed disparity

Question 14

Depth from disparity formula: what does Δ mean?

Answer 14

depth between Charlie and horopter

Question 15

Disparity equation

Answer 15

δ = αH’ and αA

Question 16

Vergence angle equation

Answer 16

tan(θfix/2) = (I/2)/d

Question 17

Vergence angle equation for distance

Answer 17

d = (I/2)/ tan(θfix/2)

Question 18

Visual angle equation

Answer 18

θ = 2arctan (s/2d)

Question 19

Visual angle equation for distance

Answer 19

d tan (θfix/2) = I/2