Optics Variable Meanings Flashcards by Nashia Williams

Q

O

A

Optical center

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Q

F

A

Principal focus

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Q

F’

A

Secondary focus

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Q

c (angle)

A

Critical angle

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Q

ni

A

Index of refraction for FIRST medium

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Q

sini

A

Sine of angle of incidence

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Q

nR

A

Index of refraction for SECOND medium

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Q

sinR

A

Sine of angle of refraction

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Q

n

A

Index of refraction

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Q

c

A

Speed of light in vacuum (3.00 • 10 (8) m/S)

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Q

v

A

Speed of light in medium

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Q

f

A

Focal length

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Q

di

A

Image distance from the mirror

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Q

do

A

Object distance to the mirror

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Q

m

A

Magnification

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Q

hi

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A

Height of image

Q

ho

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A

Height of object

Q

i

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A

incidence ray

Q

r

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A

reflection ray

Q

R

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A

Angle of refraction ray

Q

C

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A

centre of curvature