A convergent lens of focal length 20 cm and made of a material with refractive index 1.1…
Physics · JEE Main · NTA Exams — Optics
A convergent lens of focal length 20 cm and made of a material with refractive index 1.1 is immersed in water of refractive index \(\frac{4}{3}\). The lens will behave as a
- converging lens of focal length 20 cm
- converging lens of focal length less than 20 cm
- converging lens of focal length more than 20 cm
- divergent lens.
Answer
(D) divergent lens.
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