What is the magnifying power of an astronomical telescope in normal adjustment? What is its length?

What is normal adjustment?

The magnifying power of an astronomical telescope in the normal adjustment position is 20.If the length of the telescope is 105 cm in this adujustment ,find the focal lengths of the two lenses.

Draw path of rays for astronomical telescope in normal adjustment.

The magnifying power an astronomical telescope in the normal adjustment position is 100. The distance between the objective and the eyepiece is 101 cm. calculate the focal length of the objective and the eyepiece.

What is the magnifying power of an astronomical telescope when the final image of a distant object is formed at least distance of distinct vision?

On what factors does magnifying power of telescope depend?

Draw the course of rays in an astronomical telescope, when the final image is formed at infinity. Also define the magnifying power of the astronomical telescope in this position.