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Maanusri
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Asked: 2021-10-05T08:45:01+00:00 In:

The focal length of lens depends upon

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0%(a) the radius of curvature of its surfaces
0%(b) material of the lens
0%(c) refractive index of the medium in which it is placed
100%(d) All of the above ( 9 voters )
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    1. (d) All of the above

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