Task id13132
Seller: nerdmavr
Price: 0.17 USD
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Product description
The image of a distant light source S is projected onto the screen using a lens with a focal length F1 = 20 cm. At a distance l = 10 cm from this lens on the source side, a second lens with a focal length F2 = 30 cm is placed. In which direction and at what distance should move the screen to get the source image sharp again?
Additional information
Detailed solution. Format gif