Questions
The combination of a convex lens (f = 18 cm) and a thin concave lens (f = 9 cm) is
detailed solution
Correct option is A
1F=1+18+1(−9)⇒F=−18cm (i.e. concave lens)Talk to our academic expert!
Similar Questions
Two thin lenses of focal lengths f1 and f2 are in contact. The focal length of this combination is
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