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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a stamp collector uses a lens with 73 cm focal length as a easy magnifier the virtual image is produced at the normal
an individual is nearsighted his near point is 170 cm and his far point is 530 cm1 what lens power is needed to correct
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