Week 2 Geometrical Optics Flashcards by Ethan Wragg | Brainscape

Q

what is the law of reflection eqn

A

θi = θr

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Q

how is the law of reflection proven via snell

A

prove two triangles are identical

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Q

how is the law of reflection proven via fermatt

A

examine path

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Q

what is law of refraction/Snell law eqn

A

n1sinθ1 = n2sinθ2

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Q

what is the critical angle eqn

A

sinθn = 1/n

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Q

what is the refraction at spherical surface eqn

A

nu/u + nv/v = nv-nu / R

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Q

what is the lensmaker eqn

A

1/u + 1/v = (n-1)(1/R1 - 1/R2) = 1/f

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