A double convex lens made of material of refractive index 1.5 and having a focal length…
Physics · JEE Main · NTA Exams — Optics
A double convex lens made of material of refractive index 1.5 and having a focal length of 10 cm is immersed in a liquid of refractive index 3.0 . The lens will behave as
- converging lens of focal length 10 cm
- diverging lens of focal length 10 cm
- convering lens of focal length 10/3 cm
- converging lens of focal length 30 cm
Answer
(B) diverging lens of focal length 10 cm
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