The focal lengths of the objective and eyepiece in a compound microscope are 0.50 cm and 2.00 cm, respectively. An object is placed at a distance of 0.52 cm from the objective. If the final image seen by the eye is at a distance of 25 cm from it, what is the magnification?
A) -125
B) -100
C) -225
D) -325
E) -425

Question

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The Answer of The focal lengths of the objective and eyepiece in a compound microscope are 0.50 cm and 2.00 cm, respectively. An object is placed at a distance of 0.52 cm from the objective. If the final image seen by the eye is at a distance of 25 cm from it, what is the magnification?
A) -125
B) -100
C) -225
D) -325
E) -425

The Focal Lengths of the Objective and Eyepiece in a Compound