A stamp collector uses a lens with 73 cm focal length as a
A stamp collector uses a lens with 7.3 cm focal length as a easy magnifier. The virtual image is produced at the normal near point (25 cm).
a) How far from the lens must the stamp be placed?
b) What is the expected angular magnification?
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assume that a parallel-plate capacitor has circular plates with radius r 29 mm and a plate separation of 70 mm assume
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a stamp collector uses a lens with 73 cm focal length as a easy magnifier the virtual image is produced at the normal
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