Part A The "tube length" of a microscope is defined to be the differenco between the (objective) image distance and objective focal length L=d- fobjective Many microscopes are standardized to a tube length of L= 160 mm Consıder such a microscope whose objective lens has a focal length fobjective =7.02 mm How far from the object should this lens be placed? Express your answer using three significant figures. 画 ? mm Submit Request Answer - Part B What focal length eyepiece would give an overall magnification of -55? Express your answer using two significant figures. cm

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Proper Length

The theory of special relativity explains the connection between space and time to objects that move in a straight line at a constant speed. The objects move at the speed of light. When an object approaches light speed, its mass is endless and cannot move faster than light. The most crucial postulate of Einstein's special relativity is that the laws of nature do not change in each frame of reference.