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Asked: 2021-05-11T07:18:26+00:00 In:

Two lenses of power +12D and -2D are placed in contact. The focal length of the combination is

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Poll Results

50.77%(a) +10cm ( 33 voters )
20%(b) +12.5cm ( 13 voters )
21.54%(c) +16.6cm ( 14 voters )
7.69%(d) +8.3cm ( 5 voters )
Based On 65 Votes

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    1. (a) +10cm

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