The condition for an achromatic doublet, is (here
f1 and f2 are the focal length of individual lenses): ????₁ ⍵₁ = ????₂ ⍵₂
(a) ????₁ - ????₂ = ⍵₁ ⍵₂ ????₂ (b) ⍵₁ ????₁ + ⍵₂ ????₂ = 0
2
(c) ⍵₁ + ⍵₂ = 0 (d) ????₁ + ⍵₁ = 0
????₁ ????₂ ????₂ ⍵₁
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Answered by
0
Answer:
(c) w1+w2=0
Explanation:
it is the condition for acromatic doublet
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Answer:
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here is your answer
W1+W2
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