consider that the "lens" is a hollow region of air (n=1) surrounded by glass (n=1.5). i.e. describe what will happen to a set of parallel rays that are incident on the lens from the left. CONVEX ign R₁ >0 R₂ <0 Bi-convex R₁ = co R₂ <0 Planar convex R₁ >0 R₂ > 0 Meniscus convex CONCAVE I Bi-concave R₁ <0 R₂>0 R₁ = ∞ R₂ >0 Planar concave R₁ >0 R₂ >0 Meniscus concave
consider that the "lens" is a hollow region of air (n=1) surrounded by glass (n=1.5). i.e. describe what will happen to a set of parallel rays that are incident on the lens from the left. CONVEX ign R₁ >0 R₂ <0 Bi-convex R₁ = co R₂ <0 Planar convex R₁ >0 R₂ > 0 Meniscus convex CONCAVE I Bi-concave R₁ <0 R₂>0 R₁ = ∞ R₂ >0 Planar concave R₁ >0 R₂ >0 Meniscus concave
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Transcribed Image Text:consider that the "lens" is a hollow region of air (n=1) surrounded by glass (n=1.5). i.e. describe what will
happen to a set of parallel rays that are incident on the lens from the left.
CONVEX
90 R₁>0
R₂ <0
Bi-convex
R₁ = co
R₂ <0
Planar convex
R₁ >0
R₂>0
Meniscus
convex
CONCAVE
R₁ <0
R₂>0
Bi-concave
359
R₁ = co
R₂ > 0
Planar concave
R₁ >0
R₂ > 0
Meniscus
concave
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