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Geometrical Optics question

2022 · 28 Jul · Shift 2 · Q55

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Geometrical Optics
2022 · 28 Jul · Shift 2 · Q55

Geometrical Optics question

2022 · 28 Jul · Shift 2 · Q55

JEE MainPhysicsGeometrical OpticsMCQ+4 / −1

The power of a lens (biconvex) is

1.25 \mathrm{~m}^{-1}

in particular medium. Refractive index of the lens is 1.5 and radii of curvature are

20 \mathrm{~cm}

and

40 \mathrm{~cm}

respectively. The refractive index of surrounding medium:

A
1.0
B
$\frac{9}{7}$
C
$\frac{3}{2}$
D
$\frac{4}{3}$

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