show steps (13%) Problem 4: suppose a microscope\'s 5.7 mm focal length objectiv

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(13%) Problem 4: suppose a microscope's 5.7 mm focal length objective produces a magnification of -2.1. Go 8 50% Part (a) what is the object distance for this configuration in mm? Grade Summary do 0.010 Deductions Potential 100% sin() coso tan() w 8 9 HOME Submissions Attempts remaining: 19 cotano asino acoso (0% per attempt) atano acotano sinh() detailed view cosho tanho cotanho o Degrees Radians NO BACKSPACE DEL CLEAR I give up! Submit Feedback 0% deduction per feedback Hints: 0% deduction per hint. Hints remaining: 3 i l A 50% Part b) How far (in cm) from the objective should a 10.00 cm focal length eyepiece be placed to produce a further fourfold (4.00) magnification? All content e 2017 Expert TA, LLC

Explanation / Answer

Consider the following equation to determine the value of object distance

M = (f/f-d)

-2.1 = (5.7*10^-3/5.7*10^-3 - d)

d = 0.0084

the value of image distance is

M = d1 / d

2.1 = d1 /0.0084

d1 = 0.018

therefor the value of new magnification is 4(-2.1) = -8.4

The value of distance will hance

M = (f/f-d)

-8.4 = (10*10^-2/10*10^-2 - (x - 0.018))

x = 13 cm

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