Teaching Haryana (HPSC) Assistant Professor Mock Test 2025 Physics Optics Refraction and Reflection

For the thin convex lens, the radii of curvature are at 15 cm and 30 cm respectively. The focal length the lens is 20 cm. The refractive index of the material is :

1
1.2
2
1.4
3
1.5
4
1.8
5
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