Task id13131
Seller: nerdmavr
Price: 0.17 USD
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Product description
Two thin lenses: positive with focal length +F and negative with focal length -F are located at a distance a from each other so that their optical axes coincide. At some distance a in front of the positive lens there is a light source; the image of this source, given by the lens system, is located at the same distance a behind the negative lens. Determine this distance.
Additional information
Detailed solution. Format gif