AP EAMCET · PHYSICS · Ray Optics
A concave lens of glass, refractive index 1.5 has both surfaces of same radius of curvature \(R\). On immersion in a medium of refractive index 1.75 , it will behave as a
- A Convergent lens of focal length \(3.5 \mathrm{R}\).
- B Convergent lens of focal length \(3.0 \mathrm{R}\)
- C Divergent lens of focal length \(3.5 \mathrm{R}\).
- D Divergent lens of focal length \(3.0 \mathrm{R}\)
Answer & Solution
Correct Answer
(A) Convergent lens of focal length \(3.5 \mathrm{R}\).
Step-by-step Solution
Detailed explanation
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