The focal lengths of objective and eye piece of a microscope are `1.25 cm and 5 cm` respectively. Find the position of the object relative to the objective in order to obtain an angular magnification of `30` in normal adjustment.

How is the working of a telescope different from that of a microscope ? The focal lengths of the objective and eyepiece of a microscope are 1.25 cm and 5 cm respectively. Find the position of the object relative to the objective in order to obtain anangular magnificatio of 30 in normal adjustment.

How is working of telescope different form that of a microscope ? The focal lengths of the objective and the eyepiece of a microscope are 1.25 cm and 5 cm respectively. Find the position of the object relative to the objective lensin order to obtain an angular magnification of 30 in normal adjustment.

The focal lengths of the objective and eye-piece of a compound microscope are 1.25 cm and 5 cm respectively. Find the position of the object relative to the objective in order to obtain an angular magnification of 30 in normal adjustment.

Focal length of objective and eye piece of telescope are 200 cm and 4 cm respectively. What is the length of telescope for normal adjustment?

Focal length of objective and eye piece of telescope are 200 cm and 4 cm respectively. What is the length of telescope for normal adjustment?

The focal lengths of the objective and eye piece of a microscope are 2 cm and 5 cm respectively, and the distance between them is 20 cm . Find the distance of the object from the objective when the final image seen by the eye is 25 cm from the eye piece. What is the magnifying power ?