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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an object which has a height of 270 cm is placed 180 cm from a concave mirror which has a radius of curvature of 220 cm
1 a fire breaks out and increases the kelvin temperature of a cylinder of compressed gas by a factor of 22 what is the
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
monochromatic x rays are incident on a crystal for which the spacing of the atomic planes is 0440 nm the first-order
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