Two similar plano-convex lenses are combined together in three different ways as shown in…
Physics · JEE Main · NTA Exams — Optics
Two similar plano-convex lenses are combined together in three different ways as shown in the adjoining figure. The ratio of the focal lengths in three cases will be
\[0.10\]
\[0.10\]
- 2 : 2 : 1
- 1 : 1 : 1
- 1 : 2 : 2
- 2 : 1 : 1
Answer
(B) 1 : 1 : 1
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