The distance between the eyepiece and the objective lens in a certain compound microscope is 19.0 cm. The focal length of the eyepiece is 2.45 cm and that of the objective is 0.405 cm. What is the overall magnification of the microscope?

+2 votes

The distance between the eyepiece and the objective lens in a certain compound microscope is 19.0 cm. The focal length of the eyepiece is 2.45 cm and that of the objective is 0.405 cm. What is the overall magnification of the microscope?

asked Apr 22, 2012 in Physics by swhite5 (68 points)
    

1 Answer

+2 votes

The magnification of a compound microscope is given by:

M = - L/fo (25cm / fe)       (where L =distance between lens, fo=focal length of objective, fe=focal length of eyepiece)

 

For this problem just plug in your numbers and you will get your answer.

answered Apr 23, 2012 by Roar3215 ~Expert~ (1,318 points)



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