Problem 11: A bacterial cell of 1.6 um diameter is placed under a compound microscope which produces a final image of the bacterium, as seen through the eyepiece, with an image diameter of 5.5 mm and image location 30cm from the eyepiece. What is the angular magnification achieved with the microscope, compared to viewing the bacterium at a 25 cm nearpoint distance, without any optical instrument. (A) - 2900. (B) ~ 4100. (C) - 55. (D) - 5500. 2 2.9 (E) Problem 12: For the microscope setup and the final image of the bacterium described in the preceding problem, assume that the objective lens, L1, has a focal length of fi and that the eyepiece lens, L2, has a focal length of f2 +0.32 cm +0.28 cm. How far from the focal point of the objective lens, L1, must the bacterial cell be placed, in the order to produce the final image described in the preceding problem? The correct answer is stated below as a positive number. (A) 0.3301 cm (B) 0.3101 cm (C) 10.5 cm (D) 100.7µm (E) 98.8 µm
Problem 11: A bacterial cell of 1.6 um diameter is placed under a compound microscope which produces a final image of the bacterium, as seen through the eyepiece, with an image diameter of 5.5 mm and image location 30cm from the eyepiece. What is the angular magnification achieved with the microscope, compared to viewing the bacterium at a 25 cm nearpoint distance, without any optical instrument. (A) - 2900. (B) ~ 4100. (C) - 55. (D) - 5500. 2 2.9 (E) Problem 12: For the microscope setup and the final image of the bacterium described in the preceding problem, assume that the objective lens, L1, has a focal length of fi and that the eyepiece lens, L2, has a focal length of f2 +0.32 cm +0.28 cm. How far from the focal point of the objective lens, L1, must the bacterial cell be placed, in the order to produce the final image described in the preceding problem? The correct answer is stated below as a positive number. (A) 0.3301 cm (B) 0.3101 cm (C) 10.5 cm (D) 100.7µm (E) 98.8 µm
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answer question 12 given question 11
Transcribed Image Text:Problem 11: A bacterial cell of 1.6 um diameter is placed under a compound microscope
which produces a final image of the bacterium, as seen through the eyepiece, with an image
diameter of 5.5 mm and image location 30cm from the eyepiece.
What is the angular magnification achieved with the microscope, compared to viewing the
bacterium at a 25 cm nearpoint distance, without any optical instrument.
(A) - 2900.
(B) ~ 4100.
(C) - 55.
(D) - 5500.
2 2.9
(E)
Transcribed Image Text:Problem 12: For the microscope setup and the final image of the bacterium described in the
preceding problem, assume that the objective lens, L1, has a focal length of fi
and that the eyepiece lens, L2, has a focal length of f2
+0.32 cm
+0.28 cm.
How far from the focal point of the objective lens, L1, must the bacterial cell be placed, in
the order to produce the final image described in the preceding problem?
The correct answer is stated below as a positive number.
(A) 0.3301 cm
(B) 0.3101 cm
(C) 10.5 cm
(D) 100.7µm
(E) 98.8 µm
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