Questions
A plano convex lens fits exactly in to a plano concave lens. Their plane surfaces are parallel to each other. If the lenses are made of different materials of refractive indices
detailed solution
Correct option is A
F=R(μ1−μ2)=3(1.56−1.55)=300cmTalk to our academic expert!
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Two thin lenses of focal lengths f1 and f2 are in contact. The focal length of this combination is
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