The Objective Lens and the Eyepiece of a Microscope Have

Multiple Choice

The objective lens and the eyepiece of a microscope have focal lengths of 4.0 mm and 25 mm,respectively.The objective produces a real image 30 times the size of the object,with the final image viewed at infinity.The near point of the microscope user is at 25 cm.What is the distance between the objective lens and the real image that it produces?

A) 116 mm
B) 120 mm
C) 124 mm
D) 128 mm
E) 132 mm