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27-04-2020
Physics

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A very delicate sample is placed 0.150 cm from the objective lens of a microscope. The focal length of the objective is 0.140 cm, and that of the eyepiece is 1.0 cm. The near-point distance of the person using the microscope is 25.0 cm. The magnitude of the final magnification of the microscope is closes to?A) 375 B) 300 C) 250 D) 125 E) 100

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temmydbrain temmydbrain

01-05-2020

Answer:

A) 375

Explanation:

Here for compound microscope, overall magnification is given by

M=[tex]M_o X M_e[/tex]

= magnification of objective lens

= magnification of eye piece

D= least distant of distinct vision

D= 25.0cm

=Focal length eye piece

= Focal length of objective

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