A converging lens has ω₁=0.015, f₁=+40 cm. It is combined with a diverging lens of ω₂=0.030. Find f₂ for first-order achromatism.

Physics · Geometrical optics

A converging lens has ω₁=0.015, f₁=+40 cm. It is combined with a diverging lens of ω₂=0.030. Find f₂ for first-order achromatism.

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