Disk and real image is formed on the screen

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Reference no: EM13668497

A luminous disk of diameter 2 cm is places 0.8m to the left of a flat screen. A converging lens is places among the disk and the screen at a location 20cm from the disk and a real image is formed on the screen.

1. Discover the focal length of the lens.

2. Discover the size of the image.

Reference no: EM13668497

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