The Objective Lens of a Microscope Has a Focal Length

Multiple Choice

The objective lens of a microscope has a focal length of 2.4 mm and the eyepiece has an angular magnification of 15.The object is positioned 0.060 mm beyond the focal point of the objective.The focal point of the eyepiece is positioned at the real image formed by the objective.The near point of the microscope user is at 25 cm.The magnitude of the overall magnification of the microscope is closest to

A) 400.
B) 450.
C) 500.
D) 550.
E) 600.