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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

50.88%(a) +10cm ( 29 voters )
19.3%(b) +12.5cm ( 11 voters )
22.81%(c) +16.6cm ( 13 voters )
7.02%(d) +8.3cm ( 4 voters )
Based On 57 Votes

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    1. (a) +10cm

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