Physics · 2019
NEET 2019 · 20 May · Code G1 · Q153
A double convex lens has focal length 25 cm. The radius of curvature of one of the surfaces is double of the other. Find the radii if the refractive…
A double convex lens has focal length $\displaystyle 25$ cm. The radius of curvature of one of the surfaces is double of the other. Find the radii if the refractive index of the material of the lens is 1.5.
Official answer
(3)
18.$\displaystyle 75$ cm, $\displaystyle 37.5$ cm
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NEET (UG) 2019 Physics question, with the answer from NTA’s final answer key. Where our answers come from.