An angular magnification (magnifying power ) of 30 x is desired using an objective of focal length 1.25 cm and an eye piece of focal length 5 cm. How will you set up the compound microscope ?

Question

$\begin{array}{1 1} \text{The object should be held at 1.5 cm in front of the objective lens . } \\ \text{The object should be held at 1.5 cm at the back of the objective lens } \\ \text{The separation between the objective lens and eye piece is 10 cm } \\ \text{The seperation between the lens and the eyepiece is 10 cm } \end{array} $