the answer is not 2.6 Cumulative Problem 6 A geneticist looks through a microsco
ID: 1781925 • Letter: T
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the answer is not 2.6
Cumulative Problem 6 A geneticist looks through a microscope to determine the phenotype of a fruit fly. The microscope is set to an overall magnification of 400x with an objective lens that has a focal length of 0.40 cm. The distance between the eyepiece and objective lenses is 14 cm. 1) Find the focal length of the eyepiece lens assuming a near point of 25 cm (the closest an object can be and still be seen in focus). Do not neglect any values in your calculation. (Express your answer to two significant figures.) m Submit You currently have 5 submissions for this question. Only 10 submission are allowed. You can make 5 more submissions for this question. 2.59 2.59 -2.6 2.6 2.1875 Your submissions: Xmitted: Tuesday, November 14 at 1:34 AM Computed value:2 Feedback:Explanation / Answer
L= (distance between two lens)-fo - fe
Total magnification = Mo * Me
Mo = L/fo = (14-0.4 -fe)/fo = (13.6-fe)/0.4
Me = 25/fe
total magnification =400 = Mo * Me = [(13.6-fe)/0.4] * [ 25/fo]
By solving this , fe = 0.183
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