Physics · 2025
JEE Main · 3 April 2025, Shift 1 · Q42
The radii of curvature for a thin convex lens are 10 cm and 15 cm respectively. The focal length of the lens is 12 cm. The refractive index of the…
The radii of curvature for a thin convex lens are $\displaystyle 10$ cm and $\displaystyle 15$ cm respectively. The focal length of the lens is $\displaystyle 12$ cm . The refractive index of the lens material is
Official answer
From NTA’s final answer key for this paper.
(4)
$\displaystyle 1.5$
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