The astronomical microscope consists of objective and eyepiece. The focal length of the objective is
A. equal to that of the eyepiece
B. shorter than that of the eyepiece
C. greater than that of the eyepiece
D. five times shorter than that of eyepiece
Answer:C
The astronomical microscope consists of objective and eyepiece. The focal length of the objective is
A. equal to that of the eyepiece B. shorter than that of the eyepiece C. greater than that of the eyepiece D. five times shorter than that of eyepiece